The Playground Behind the Infant Center is an outdoor play area located at the Mammoth Lakes Infant Center, 960 Forest Trail, Mammoth Lakes. It serves as a recurring venue for the First 5 Mono County Parent/Child Peapod Playgroup, a free, drop-in program for families with children ages 0–5. Sessions focus on play-based socialization and early childhood development and are organized by First 5 Mono County, which operates out of the same Forest Trail address.