Lake Mamie is a small alpine lake in the Mammoth Lakes Basin, situated off Lake Mary Road between Lake Mary and Twin Lakes within the Inyo National Forest. It is a public outdoor recreation site known for trout fishing, kayaking, and picnicking, with picnic areas along the Lakes Basin Path offering views of Mammoth Mountain and the Twin Lakes spillway. Wildyrie Lodge, located on the lake’s shore, offers seasonal boat rentals and cabin accommodations. The lake is accessible by road in summer and by ski or snowshoe only in winter.