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  • Volunteer Backcountry Work Week: Little Whitney Meadow Wilderness Fence Removal

    Featured
    White Mountains Bishop, CA, United States

    Join Friends of the Inyo and the Inyo National Forest for a backcountry volunteer trip in the White Mountains, July 23-27, 2026. THIS TRIP IS NOW FULL — email izzy@friendsoftheinyo.org with "Whitney Fence Removal Project" in the subject to join the waitlist. Volunteers hike 15 miles into the Golden Trout Wilderness and camp 3 nights […]

  • County Park Bird Tour @ Mono Lake County Park

    Mono Lake County Park Cemetery Road, off Hwy 395, Lee Vining, CA, USA

    Join a naturalist-led tour for a leisurely 1½–2 hour walk to see diverse bird species in various habitats at Mono Lake County Park. Offered every Friday and Sunday at 8am, June 22–September 7, 2026. Meet in the parking area: from Highway 395, turn onto Cemetery Road (5 miles north of Lee Vining), continue straight and […]

  • Waterfall Wednesdays @ Rock Creek

    Rock Creek Lakes Resort 1 Upper Rock Creek Road, Bishop, CA, United States

    Waterfall Wednesdays is a recurring Wednesday hiking outing in the Rock Creek area, promoted by kayventure395 and tagged with Visit Bishop, Mono County Tourism, and Explore Inyo County. The hashtag #everyoneshike suggests these are welcoming, accessible hikes suitable for a broad range of hikers. Rock Creek canyon is known for stunning waterfalls and alpine scenery […]

  • Trashy Thursdays Community Cleanup

    Mammoth Creek Park 692 Old Mammoth Road, Mammoth Lakes, CA, United States

    A community litter cleanup organized by Mammoth Lakes Tourism with the Town of Mammoth Lakes, Mammoth Mountain, Mammoth Disposal, Mammoth Lakes Recreation, and the U.S. Forest Service. Pickup 5-7pm, followed by a complimentary volunteer dinner 7-8pm. Held the last Thursday of the month.

  • Backcountry Cooking: Herbal Recipes & Outdoor Kitchens @ Rainbow Pack Outfitters

    Featured
    The Backcountry Cook Bishop, CA

    Rainbow Pack Outfitters and The Backcountry Cook present a 6-day, 5-night backcountry horse-packing and cooking trip into the High Sierra. Participants ride into a remote mountain camp with trained guides and a pack string of mules, then learn wilderness cooking techniques — including herbal recipes — from cookbook author and herbalist Spencer McCown and backcountry […]

  • 2026 Fish Fest @ Twin Lakes Resort — Friday

    Twin Lakes Resort 10316 Twin Lakes Rd, Bridgeport, CA

    Twin Lakes Resort presents the 2026 Fish Fest — a two-day celebration of music, fishing, and fun. Friday July 31 schedule: Tournament registration due by 12pm (Adult Grand Prize $1,000; other prizes for different divisions). Fish weigh-in at the general store from 6am–6pm. Water slide and kids' activities all day starting at noon. Live music […]

  • Horseshoe Lake Nature Walk @ Horseshoe Lake Trailhead

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Join Sierra Forever education staff for an easy guided interpretive hike around Horseshoe Lake to learn about the natural history and geology of the Mammoth Lakes area in the Eastern Sierra. The walk runs approximately 90 minutes and is free and open to all. This hike is part of Sierra Forever's summer educational programming. Meet […]

  • Pika Expert Q&A @ Bodie State Historic Park

    Bodie State Historic Park Bodie, CA, USA

    Join retired Santa Monica College professor Lyle Nichols for a question-and-answer session about Bodie's American Pika population — one of the longest continuously studied pika populations in the country, with research dating back to 1946. Nichols himself has been studying pikas at Bodie since 1989 and will be on hand to answer visitor questions about […]

  • Lundy Canyon Bird Tour @ Lundy Lake Resort

    Lundy Lake Resort California 167 / Lundy Lake Road, Lee Vining, CA

    Join a naturalist-led walk through Lundy Canyon to see a diverse group of bird species in various habitats. This leisurely 1½–2 hour tour is offered every Saturday at 8am from June 22 through September 7, 2026. Meet in front of Lundy Lake Resort: from Highway 395, turn onto Lundy Lake Road (7 miles north of […]

  • Kids of All Ages Beginner Bird Walk @ Shady Rest Park

    Shady Rest Park Sawmill Cutoff Rd, Mammoth Lakes, CA

    The Eastern Sierra Bird Alliance invites birders of all ages and experience levels to a beginner bird walk at Shady Rest Park in Mammoth Lakes. Leaders Maggie and Jan will orient new and young birders, including tips on using binoculars, which are available to borrow along with identification books. The walk will meander for up […]

    free

  • 2026 Fish Fest @ Twin Lakes Resort — Saturday

    Twin Lakes Resort 10316 Twin Lakes Rd, Bridgeport, CA

    Twin Lakes Resort presents the 2026 Fish Fest — day two. Saturday August 1 schedule: Final tournament weigh-in by 3pm at the general store. Water slide and kids' fun all day 10am–6pm. Bar opens at 2pm. Street Tacos starting at 3pm. Concert, Awards Ceremony, Dinner, and Fundraiser from 2–6pm. Live music by Jakota Wass starting […]

  • Campfire Talk: The Secret Lives of Black Bears @ New Shady Rest Campground Amphitheater

    New Shady Rest Campground Amphitheater 2510 Hwy 203, Mammoth Lakes, CA

    Black bears are one of the most iconic and misunderstood animals of the Sierra Nevada. Join Sierra Forever naturalists at the New Shady Rest Campground Outdoor Amphitheater for a free campfire talk exploring the fascinating lives of black bears and how visitors can safely share the landscape with them. Free and open to all — […]

  • Operation High Altitude @ Access Mammoth

    Featured
    Access Mammoth / Jack & Kathy Copeland Center 1 Minaret Rd, Mammoth Lakes, CA, United States

    Operation High Altitude is a six-day immersive summer camp in Mammoth Lakes designed for military personnel and veterans. The program blends outdoor adaptive sports with wellness activities in the woods of the Eastern Sierra, focusing on physical health, mental wellness, and community bonding. Lunches and equipment are included. The camp runs August 2–7, 2026. Visit […]

  • Waterfall Wednesdays @ Rock Creek

    Rock Creek Lakes Resort 1 Upper Rock Creek Road, Bishop, CA, United States

    Waterfall Wednesdays is a recurring Wednesday hiking outing in the Rock Creek area, promoted by kayventure395 and tagged with Visit Bishop, Mono County Tourism, and Explore Inyo County. The hashtag #everyoneshike suggests these are welcoming, accessible hikes suitable for a broad range of hikers. Rock Creek canyon is known for stunning waterfalls and alpine scenery […]

  • Science on Tap: Pinyon-Juniper Ecology and Stewardship @ Latte Da Cafe

    Latte Da Cafe 51395 US-395, Lee Vining, CA

    Join the Whitebark Institute for the next installment of their Science on Tap Speaker Series, featuring Research Ecologist Dr. Alexandra Urza presenting "Pinyon-Juniper Ecology and Stewardship in an Era of Rapid Change." Dr. Urza will explore the cultural, ecological, and historical significance of pinyon-juniper ecosystems — trees that have served as a critical food source […]

  • Horseshoe Lake Nature Walk

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Join Sierra Forever education staff for an easy guided interpretive hike around Horseshoe Lake to learn about the natural history and geology of the Mammoth Lakes area. The route is a 1.75-mile loop. Meet at the Horseshoe Lake trailhead kiosk by the parking lot. All ages are welcome; children under 16 must be accompanied by […]

  • COSA Bird Walk @ COSA

    COSA 1115 W Line St, Bishop, CA, USA

    The Eastern Sierra Bird Alliance hosts a monthly guided bird walk at COSA as part of their ongoing community birding series. These walks are open to participants of all experience levels and offer an opportunity to observe local bird species alongside knowledgeable leaders. The Eastern Sierra Bird Alliance is a community chapter of the National […]

  • Self-Rescue Clinic @ Eastern Sierra (with Golden State Guiding)

    Featured

    Eastern Sierra Climbers of Color, in collaboration with Golden State Guiding, is hosting a Self-Rescue Clinic led by instructor Gerry Egbalic. This clinic is designed for climbers who want to feel confident managing risk and rescuing themselves or a climbing partner in precarious situations. Through discussion, hands-on practice, and instruction, participants will learn how to […]

  • Moderate Bishop Bouldering Meetup @ The Knobs, Tuolumne Meadows

    The Knobs — Eliminator Boulder Tuolumne Meadows, Highway 120, Yosemite National Park, CA

    Join Moderate Bishop Bouldering for a group outdoor bouldering session at The Knobs in Tuolumne Meadows, meeting at the Eliminator Boulder at 4 PM. All skill levels are welcome. This is one of two remaining Saturday summer meetups (8/8 and 8/22) before the group transitions to its regular local schedule. Bring your crash pad and […]

  • The Secret Lives of Black Bears Campfire Program @ Robinson Creek South Campground

    Join Sierra Forever naturalists for a free evening campfire program on the Sierra's most iconic and misunderstood resident: the black bear. Learn about their fascinating lives and how we can safely share the landscape with them. The program is free and open to the surrounding community — you do not need to be staying at […]

  • Written in Stone: A Free Geology Walk with Friends of the Inyo

    Convict Lake Trailhead Convict Lake Road, Mammoth Lakes, CA

    Join Trail Ambassador Katie for a guided hike around Convict Lake where you'll read the stone walls surrounding the canyon to unfold a story spanning from the ocean floor to volcanic peaks and everything in between. This free geology walk is part of a seasonal series (dates: 7/12, 8/9, 9/20). A vault toilet is available […]

  • Stroll and Sketch: A Free Naturalist Hike @ Lundy Canyon Trail

    Lundy Canyon Trail Lundy Lake Road (end of road, ~2 miles past Lundy Lake Resort), Lee Vining, CA

    Join Trail Ambassador Bella for a hike among aspen groves, wildflowers, and waterfalls in Lundy Canyon, stopping to observe and sketch the surrounding beauty. No art experience needed — just curiosity! Small sketchbooks, pencils, colored pencils, and pens are provided. All ages welcome. Participants should bring sun protection (hat, sunscreen, sunglasses), layers, good walking footwear, […]

  • Eastern Sierra’s Outdoor Career Mini Academy @ Wind Drift Studios

    Wind Drift Studios 94 Old Mammoth Road, Mammoth Lakes, CA

    A four-day outdoor career mini academy for high school students and recent graduates, held each morning from 8:00 AM to 12:00 PM, August 10–13, 2026. Participants explore career pathways in Wildland Fire, Forestry, Climate and Conservation, and Outdoor Recreation. Learn directly from professionals in outdoor careers — from pro athletes to local Eastern Sierra experts. […]

  • Outdoors Career Mini-Academy @ Wind Drift Studios

    Wind Drift Studios 94 Old Mammoth Road, Mammoth Lakes, CA

    Day 3 of the Outdoors Career Mini-Academy, a FREE 4-day program in Mammoth Lakes for current high school students and recent graduates in Mono and Inyo Counties. Running 8:00 AM to 12:00 PM, participants explore real careers in wildland fire, forestry, and outdoor recreation alongside local professionals. Build practical skills, meet people working in the […]

  • Sierra Compost Bin Workshop @ Elders’ Garden (Bishop Paiute Tribe)

    Elders' Garden 350 N Barlow Lane, Bishop, CA

    Join the Bishop Paiute Tribe Food Sovereignty Program and Sierra Compost for a hands-on workshop on building a 3-bin aerated static pile composting system. Guest teacher and compost expert Timothy England will lead the session, covering composting tips tailored for the Sierra Nevada region. The workshop is free and open to the public. Coffee and […]

  • Wednesday Worknight @ Mammoth Lakes Trail System

    Mammoth Lakes Trail System PO Box 1609 / 437 Old Mammoth Rd, Suite R, Mammoth Lakes, CA

    A volunteer trail worknight hosted by the Mammoth Lakes Trail System. Participants help with hands-on trail maintenance and stewardship work on the local trail network. No start time is listed for this occurrence; check mammothtrails.org or the organizer's social media for details before heading out.

  • Outdoors Career Mini-Academy @ Wind Drift Studios

    Wind Drift Studios 94 Old Mammoth Road, Mammoth Lakes, CA

    Day 4 (final day) of the Outdoors Career Mini-Academy, a FREE 4-day program in Mammoth Lakes for current high school students and recent graduates in Mono and Inyo Counties. Running 8:00 AM to 12:00 PM, participants explore real careers in wildland fire, forestry, and outdoor recreation alongside local professionals. Build practical skills, meet people working […]

  • Rock Creek Lake Annual Clean Up @ Rock Creek Lake Campground

    Rock Creek Lake Campground Rock Creek Rd (off Hwy 395 via Tom's Place exit), Crowley Lake, CA

    Join Friends of the Inyo for the annual Rock Creek Lake Clean Up! Meet at the Rock Creek Lake Campground parking lot to help keep this beautiful area pristine. Volunteers are rewarded with ice cream and a chance to win raffle prizes donated by Sage to Summit. All are welcome — come for the community, […]

  • Horseshoe Lake Nature Walk

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Join Sierra Forever education staff for a free, easy guided interpretive hike around Horseshoe Lake to explore the natural history and geology of the Mammoth Lakes area. The route is a 1.75-mile loop suitable for all ages; children under 16 must be accompanied by an adult. Meet at the Horseshoe Lake trailhead kiosk by the […]

  • Yosemite Wildlife Presentation with Photographer Robb Hirsch @ Mono Lake Committee Information Center & Bookstore

    Mono Lake Committee Information Center & Bookstore 51365 Highway 395 at Third Street, Lee Vining, CA

    Join the Mono Lake Committee for a free presentation by wildlife photographer Robb Hirsch on Yosemite's wildlife — stories from in front of, and behind, the camera. Robb Hirsch is a photographer whose work focuses on Yosemite wildlife. The event is free and open to the public at the Mono Lake Committee Information Center & […]

  • Campfire Talk: The Secret Lives of Black Bears @ Twin Lakes Campground

    Twin Lakes Campground Mammoth Lakes, CA, USA

    Black bears are one of the most iconic and misunderstood animals of the Sierra. Join Sierra Forever naturalists at Twin Lakes Campground in Mammoth Lakes for a free campfire talk on the fascinating lives of black bears and how we can safely share the landscape with them. Meet at the day-use area near Twin Lakes […]

  • Powers of Observation: Exploring Rock Creek Through the Seasons with Friends of the Inyo

    Rock Creek Trailhead Lower Rock Creek Road (off Hwy 395, near Tom's Place), Bishop, CA

    Join Trail Ambassador Kelly for a seasonal naturalist walk in Rock Creek. Each program highlights what's happening on the landscape at that time of year, from blooming wildflowers to signs of wildlife activity. This walk focuses on identifying local wildflowers and discovering evidence that reveals the hidden lives of Rock Creek's wildlife. Free to attend; […]

  • CA Summer Vision Fast @ Inyo Mountains – Big Pine

    A twelve-day Vision Fast program held August 17–29, 2026 in the Inyo Mountains near Big Pine, California (Payahuunadü). Led by guides Gretchen (Grae) Gerlach and Scott Eberle, this program is described as a border-crossing practice and an opportunity to reclaim one's true place in the natural world. Participants step across a threshold into wilderness as […]

  • Tangle Free Waters: Clear the Line Cleanup @ Lake Mamie

    Lake Mamie Lake Mary Road, Mammoth Lakes, CA

    Join Mammoth Lakes Trails System for the next Clear the Line Cleanup at Lake Mamie. Volunteers will spend the evening removing discarded fishing line and other debris from the shoreline to help protect local lakes and wildlife. Bring your friends and pitch in to keep Mammoth's waterways tangle free. This event is co-supported by Mammoth […]

  • Stars Over Mono @ Mono Basin Scenic Area Visitor Center

    Mono Basin Scenic Area Visitor Center 1 Visitor Center Dr, Lee Vining, CA

    Explore the skies over Mono Lake and hear stories about the stars in this 1½-hour evening program. Meet on the back patio of the Mono Basin Scenic Area Visitor Center. Bring something to sit on and dress warmly. Free of charge. Programs may be cancelled due to wind, rain, or poor air quality. For information […]

  • Horseshoe Lake Nature Walks @ Horseshoe Lake Trailhead Kiosk

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Join Sierra Forever's education staff for a free guided nature walk around Horseshoe Lake and explore the history, ecology, and geology of the Mammoth Lakes area. The trail is a flat loop about 1.75 miles long through the forest, open to all ages — children under 16 must be accompanied by an adult. Dress in […]

  • Moderate Bishop Bouldering Meetup @ The Knobs, Tuolumne Meadows

    The Knobs — Eliminator Boulder Tuolumne Meadows, Highway 120, Yosemite National Park, CA

    Join Moderate Bishop Bouldering for a group outdoor bouldering session at The Knobs in Tuolumne Meadows, meeting at the Eliminator Boulder at 4 PM. All skill levels are welcome. This is the second of two remaining Saturday summer meetups (8/8 and 8/22) before the group transitions to its regular local schedule. Bring your crash pad […]

  • Campfire Talk: The Secret Lives of Black Bears @ Oh! Ridge Campground Amphitheater

    Oh! Ridge Campground Amphitheater Pine Cliff Road, off North Shore Drive, off Highway 158, June Lake, CA

    Black bears are one of the most iconic and misunderstood animals of the Sierra Nevada. Join Sierra Forever naturalists at the Oh! Ridge Outdoor Amphitheater in June Lake for a free campfire talk on the fascinating lives of black bears and how we can safely share the landscape with them. The talk runs from 6:30–7:30 […]

  • Medicine in the Mountains: A Free Plant Walk with Friends of the Inyo

    Join Trail Ambassador Abby for a guided hike to learn about ethical plant foraging and the edible and medicinal properties of local plants. Participants will learn how to identify plants, harvest sustainably, and explore the historical contexts of plants as food and medicine. This is a free program offered by Friends of the Inyo. Located […]

  • Stars Over Mono @ Mono Basin Scenic Area Visitor Center

    Mono Basin Scenic Area Visitor Center 1 Visitor Center Dr, Lee Vining, CA

    Explore the skies over Mono Lake and hear stories about the stars in this 1½-hour evening program. Offered on two dates only: August 21 and August 27, 2026, at 8:30pm. Meet on the back patio of the Mono Basin Scenic Area Visitor Center. Bring something to sit on and dress warmly. All interpretive programs are […]

  • COSA Bird Walk @ Bishop (Second Saturday)

    Eastern Sierra Bird Alliance hosts its popular COSA bird walk every second Saturday in Bishop. This recurring community bird walk is open to all experience levels. Exact meeting location in Bishop is not specified in this post — check the events calendar linked in the Eastern Sierra Bird Alliance Instagram bio or email fieldtrips@easternsierrabirds.org for […]

  • Horseshoe Lake Nature Walks @ Horseshoe Lake Trailhead Kiosk

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Join Sierra Forever's education staff for a free guided nature walk around Horseshoe Lake and explore the history, ecology, and geology of the Mammoth Lakes area. The trail is a flat loop about 1.75 miles long through the forest, open to all ages — children under 16 must be accompanied by an adult. Dress in […]

  • Parker Lake Trail Clean-Up Day @ Parker Lake Trailhead

    Parker Lake Trailhead Parker Lake Road, off Hwy 158 (June Lake Loop), June Lake, CA

    Join Sierra STEM for their second annual trail cleanup event on Parker Lake Trail! Volunteers will spend the morning doing trail work — picking up trash, cutting back brush, and caring for this beloved trail. Family, friends, and neighbors of all ages are welcome. What to bring: long pants, work gloves, closed-toe shoes, a water […]

  • California Naturalist Course: Eastern Sierra (Waitlist Only)

    This course is currently full and registration is closed. Contact gena@eslt.org to be added to the waitlist. Sierra Forever and Eastern Sierra Land Trust are bringing the UC California Naturalist Program to the Eastern Sierra. Participants become part of a committed corps of volunteer naturalists and citizen scientists dedicated to conservation in the region. The […]

  • Volunteer Backcountry Work Week: Chiatovich Meadow Restoration

    Chiatovich Meadow Dyer, NV

    Join Friends of the Inyo and the Inyo National Forest for a multi-day backcountry volunteer trip in the White Mountains from September 4–7, 2026. Volunteers will spend three days helping restore a degraded meadow by constructing low-tech restoration structures in small stream channels. Work will include hauling rocks, cutting and moving logs, and shoveling dirt. […]

  • So Cal Broncos Bishop Adventure

    Browns Millpond Campground 230 Sawmill Road, Bishop, CA

    The So Cal Broncos group is hosting a Bishop Adventure based at Browns Millpond Campground in Bishop, CA on Friday, September 4, 2026, starting at 8:00 AM. This appears to be a group gathering for Ford Bronco off-road and overland enthusiasts exploring the Eastern Sierra region. Over 56 people have expressed interest. Additional details on […]

  • Patio Talk @ Mono Basin Scenic Area Visitor Center

    Mono Basin Scenic Area Visitor Center 1 Visitor Center Dr, Lee Vining, CA

    A short 15–20 minute introduction to the Mono Basin's unique ecosystems and fascinating political history, held on the back patio of the Mono Basin Scenic Area Visitor Center every Friday, Saturday, and Sunday at 4pm, June 22–September 7, 2026. All interpretive programs are free of charge. Programs may be cancelled due to wind, rain, or […]

  • Demystifying “Brown Ducks” on Crowley Reservoir @ Green Church on Benton Crossing Road

    Green Church on Benton Crossing Road Benton Crossing Road & US Highway 395, Crowley Lake, CA

    Join trip leaders Debbie House and Jon Dunn for a full-day birding field trip along the shores of Crowley Reservoir, focusing on identifying fall waterfowl and shorebirds in confusing non-breeding and juvenile plumages — the so-called "brown duck" season. Meet at 8:00 AM at the Green Church on Benton Crossing Road. RSVP is strongly encouraged; […]

  • The Secret Lives of Black Bears @ Robinson Creek South Campground

    Robinson Creek South Campground FS-32135, Bridgeport, CA

    Join Sierra Forever naturalists for a free campfire program on one of the Sierra's most iconic and misunderstood residents — the black bear. Learn about their fascinating lives and how we can safely share the landscape with them. The program is free and open to the surrounding community; you do not have to be staying […]

  • Summit Sunset Party @ Mammoth Mountain

    Mammoth Mountain Ski Area 10001 Minaret Road, Mammoth Lakes, CA, USA

    A special evening experience at the summit of Mammoth Mountain, offered on July 3 and September 6, 2026. Ride the Panorama Gondola to 11,053 feet at dusk to watch the sun set over the Minarets, with live DJ music and host-led nature walks to the overlook. A limited amount of food and beverages are available […]

  • Wednesday Worknight @ Mammoth Lakes Trail System

    Mammoth Lakes Trail System PO Box 1609 / 437 Old Mammoth Rd, Suite R, Mammoth Lakes, CA

    A volunteer trail worknight hosted by the Mammoth Lakes Trail System. Participants help with hands-on trail maintenance and stewardship on Mammoth Lakes' extensive trail network, managed jointly by the Town of Mammoth Lakes and the Inyo National Forest. Check mammothtrails.org or the organizer's social media (@mammothlakestrailsystem) for updated details before attending.

  • Watercolor with a Ranger in the Mono Basin @ South Tufa

    Join Forest Service rangers for a drop-in watercolor painting session at South Tufa in the Mono Basin. Rangers provide all watercolor supplies and share interpretive information about the unique ecosystems and natural wonders of the Mono Basin and Eastern Sierra. No previous art experience is required, and all ages are welcome. Simply drop in at […]

  • Pinenut Picking for Tüba Nüga @ Owens Valley Paiute Shoshone Cultural Center

    The community is invited to gather pinenuts in preparation for the upcoming Tüba Nüga celebration on September 21, 2026. This is a time of community building, visiting, and carrying out Nümü/Newe lifeways. Meet at the Cultural Center parking lot at 8:30 AM; the group plans to return by 2:30 PM. Tribal vehicle seating may be […]

  • Campfire Talk: The Secret Lives of Black Bears @ New Shady Rest Campground Amphitheater

    New Shady Rest Campground Amphitheater 2510 Hwy 203, Mammoth Lakes, CA

    Black bears are one of the most iconic and misunderstood animals of the Sierra. Join Sierra Forever naturalists at the New Shady Rest Campground Outdoor Amphitheater to discover the fascinating lives of bears and learn how we can safely share the landscape with them. The talk is free and open to all — you do […]

  • COSA Bird Walk — September @ Conservation Open Space Area

    Bishop Paiute Tribe's Conservation Open Space Area (COSA) 2300 West Line Street, Bishop, CA

    Join the Eastern Sierra Bird Alliance (ESBA) for a guided bird walk at the Bishop Paiute Tribe's Conservation Open Space Area (COSA) on Saturday, September 12, 2026. ESBA hosts these walks on the second Saturday of each month. All ages and experience levels are welcome. Binoculars and field guides are available to share. Meet in […]

  • Conservation Open Space Area (COSA) Tour @ Bishop Paiute Reservation

    Part of Latino Conservation Week 2026, this free guided tour of the Conservation Open Space Area (COSA) takes place on the Bishop Paiute Reservation. COSA is a 24.8-acre wetland and alkali meadow upland. Join Brianda Hernandez Rosales, Water Quality Program Coordinator for the Bishop Paiute Tribe, for a 1.5-hour walk along the 1.2-mile path. Learn […]

  • Water Connects Us: Conservation Open Space Area (COSA) Tour @ Conservation Open Space Area (COSA)

    Featured

    Join Brianda Hernandez Rosales, Water Quality Program Coordinator for the Bishop Paiute Tribe, for a guided tour of the Conservation Open Space Area (COSA) — a 24.8-acre wetland and alkali meadow upland located on the Bishop Paiute Reservation. This in-person event is part of the Revealing Payahuunadü 'Water Connects Us' speaker series for Latino Conservation […]

  • Barcroft Station Open Gate Day

    UC White Mountain Research Center (WMRC) will open the locked gate to Barcroft Station to allow vehicle parking for those wishing to climb White Mountain Peak. The gate opens at 6:30 am and closes at 7:30 pm. This provides vehicle access to the high-elevation Barcroft Station road, making the White Mountain Peak trailhead more accessible […]

  • Powers of Observation: Exploring Rock Creek Through the Seasons with Friends of the Inyo

    Rock Creek Trailhead Lower Rock Creek Road (off Hwy 395, near Tom's Place), Bishop, CA

    Join Trail Ambassador Kelly for a seasonal naturalist walk in Rock Creek. Each program highlights what's happening on the landscape at that time of year, from blooming wildflowers to signs of wildlife activity. This walk will focus on identifying local wildflowers and discovering evidence that reveals the hidden lives of Rock Creek's wildlife. Free to […]

  • Stroll and Sketch: A Free Naturalist Hike with Friends of the Inyo

    Friends of the Inyo 621 W Line St, Ste 201, Bishop, CA

    Join Trail Ambassador Bella for a hike among aspen groves, wildflowers, and waterfalls while stopping to observe and sketch the surrounding beauty. No art experience needed — just a sense of curiosity! Small sketchbooks, pencils, colored pencils, and pens are provided. All ages welcome. This is part of a free seasonal series running on select […]

  • CA Men’s Rite of Passage @ Inyo Mountains

    Featured
    School of Lost Borders P.O. Box 796, Big Pine, CA

    An eleven-day Vision Fast and rite of passage for men, held in the Inyo Mountains (Payahuunadü), California, September 14–25, 2026. Led by guides Scott Davidson and Nick LaHaise, the program is rooted in the School of Lost Borders' Vision Fast tradition. It invites men to engage with ceremony and the natural world during a time […]

  • Tangle Free Waters (TFW) – Clear the Line Cleanup @ Lake Mamie

    Lake Mamie Lake Mary Road, Mammoth Lakes, CA

    Join the Mammoth Lakes Trail System for a Clear the Line Cleanup at Lake Mamie. Volunteers remove discarded fishing line and other debris from the water and shoreline to help protect local lakes and wildlife. Bring friends and help keep Mammoth's waterways tangle free. Presented in partnership with Mammoth Lakes Recreation, the Town of Mammoth […]

  • Tangle Free Waters Final Cleanup of the Season @ Convict Lake

    Convict Lake Resort 2000 Convict Lake Road, Mammoth Lakes, CA

    Join the Tangle Free Waters crew at Convict Lake for the final fishing line cleanup of the summer season. Volunteers will walk the lake's edge or use a kayak, SUP, or other human-powered watercraft to remove discarded fishing line and tackle from along the shoreline, helping protect local wildlife and keep the lake clean. No […]

  • Owens River Gorge Closure — Public Access Closed September 17–24

    Owens River Gorge Gorge Rd (off US-395, Paradise Swall Meadows exit), Bishop, CA

    The Owens River Gorge will be closed to public access from September 17 through September 24, 2026. Climbers, hikers, and other visitors should plan accordingly and avoid the area during this period. No reason for the closure is given in the announcement. Check local recreation sources for updates before visiting.

  • Watercolor with a Ranger @ South Tufa

    Paint outdoors while learning about the unique ecosystems of the Mono Basin and Eastern Sierra. U.S. Forest Service rangers provide all watercolor supplies and interpretive information about the natural wonders around you. No previous art experience required — all ages welcome. Drop in at the South Tufa picnic tables anytime between 11 a.m. and 2 […]

  • Free Backcountry Cooking Class with Kelly Kate & the Pacific Crest Trail Association (PCTA) @ Horseshoe Meadow Day Use Area

    Featured
    Horseshoe Meadow Day Use Area Horseshoe Meadow Road (end of road), 24 miles southwest of Lone Pine via Whitney Portal Road, Lone Pine, CA

    Join backcountry cook Kelly Kate and the Pacific Crest Trail Association (PCTA) for a free weekend cooking course at Horseshoe Meadow in the Eastern Sierra. This hands-on class is designed to train volunteers interested in cooking for PCTA trail projects, covering camp cooking for a variety of project styles: car camping, backpacking, pack-supported backcountry, and […]

  • Rock Creek Boardwalk Restoration Volunteer Work Party @ Rock Creek

    Featured
    Rock Creek Lodge 85 Rock Creek Road, Mammoth Lakes, CA

    Friends of the Inyo needs volunteers to help tackle the longest section of boardwalk restoration yet at Rock Creek. Work involves dismantling the dilapidated old boardwalk, hauling in new rot-resistant lumber, and building a safer, more accessible pathway. Join for one day or the full weekend. Perks include free breakfast provided by Rock Creek Lodge […]

  • Great Sierra River Cleanup @ Lundy Lake Dam

    Featured
    Lundy Lake Dam Lee Vining, CA

    Join volunteers from the Mono Lake Committee, Sierra Nevada Alliance, and Caltrans District 9 to clean up Mill Creek at Lundy Lake — a key tributary to Mono Lake. Meet at Lundy Lake Dam Saturday morning, 8:30 a.m. to noon. All cleanup tools will be provided. Bring a reusable water bottle, sun protection, close-toed shoes, […]

  • Annual Lakes Basin Cleanup @ Horseshoe Lake Trailhead

    Horseshoe Lake Trailhead End of Lake Mary Road, Mammoth Lakes, CA

    Wrap up the 2026 Summer of Stewardship with the Annual Lakes Basin Cleanup. Meet at the Horseshoe Lake Trailhead at 9 a.m. for a free breakfast, followed by a safety talk and work assignments. Activities include trail maintenance, landscape restoration, and general cleanup of the Lakes Basin area. Held in conjunction with the Great Sierra […]

  • Saddle Up for Fall Ladies Day @ McGee Creek Pack Station

    Featured
    McGee Creek Pack Station 2990 McGee Creek Pack Station Road, Crowley Lake, CA

    Saddle up with your favorite ladies for a beautiful day in the Eastern Sierra mountains filled with fall colors, horseback riding, a delicious lunch, and a seasonal take-home centerpiece. Check-in begins at 9:00 AM. At 9:30 AM, enjoy a Fall Colors Ride to Horse Tail Falls through the canyon. At noon, lunch is provided by […]

    $185

  • Rock Creek Boardwalk Restoration Volunteer Work Party @ Rock Creek

    Rock Creek Lodge 85 Rock Creek Road, Mammoth Lakes, CA

    Friends of the Inyo needs volunteers to help tackle the longest section of boardwalk restoration yet at Rock Creek. Work involves dismantling the dilapidated old boardwalk, hauling in new rot-resistant lumber, and building a safer, more accessible pathway. Join for one day or the full weekend. Perks include free breakfast provided by Rock Creek Lodge […]

  • Medicine in the Mountains: A Free Plant Walk with Friends of the Inyo

    Whitney Portal Trailhead Whitney Portal Road, Lone Pine, CA

    Join Trail Ambassador Abby for a guided hike to learn about ethical plant foraging and the edible and medicinal properties of local plants. Participants will learn how to identify plants, harvest sustainably, and explore the historical contexts of plants as food and medicine. This is the final date in a seasonal series (previous dates: 6/28, […]

  • Moderate Bishop Bouldering @ Buttermilk Boulders — Birthday Boulder

    Buttermilk Boulders Buttermilk Rd, Bishop, CA, USA

    Moderate Bishop Bouldering heads to the Buttermilk Boulders for a September evening session. Meet at the Birthday Boulder at 6 PM to warm up, then the group picks a new zone to explore after. All skill levels are welcome. Crash pads and lights are provided by Eastside Sports. Follow @moderate_bishop_bouldering on Instagram for updates.

  • Trashy Thursdays — September Cleanup @ Mammoth Lakes Library

    Mammoth Lakes Library 400 Sierra Park Rd, Mammoth Lakes, CA, USA

    The last Trashy Thursday of 2026. Community cleanup 5–7 pm, then a free dinner 7–8 pm. Trash pickers, bags and gloves provided. Free, all ages welcome. Run by Mammoth Lakes Tourism with the Town of Mammoth Lakes, Mammoth Mountain, Mammoth Disposal, Mammoth Lakes Recreation and the U.S. Forest Service. Locations rotate monthly; September meets at […]

  • Eastern Sierra Pride Shakeout Run @ Village Plaza (Mammoth Trail Fest)

    Village Plaza 6201 Minaret Rd, Mammoth Lakes, CA

    Eastern Sierra Pride hosts a Pride Shakeout Run during Mammoth Trail Fest on Friday, September 26. The run starts at 4pm from the Eastern Sierra Pride booth in the Village Plaza and is timed to finish before team trivia on the main stage at 5pm. Stick around afterward for the Desert Peach performance at 6pm […]

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