Overview Pumice Flat Group Camp is located in the Red's Meadows and Devils Postpile section of the eastern Sierra Nevada Mountains, just west of the full-service community of Mammoth Lakes, California. This group camping facility provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking, photography and geologic study of the dramatic landscape. Devils Postpile National Monument and the famous Ansel Adams Wilderness are nearby for campers to explore. Recreation This campground is a great base camp for hiking the area's many trails. Within a few miles, campers will find trailheads to the Ansel Adams Wilderness, Pacific Crest Trail and John Muir Trails. There is a mandatory shuttle that takes hikers to nearby trailheads. Fishing enthusiasts can try for trout in the lake or the North Fork of the San Joaquin River. Facilities The group camp is within the main Pumice Flat Campground, which offers first-come, first-served individual sites. The group area consists of four group campsites, spaced well apart and located fairly close to either creek.
Source: rec_gov · last verified 2026-05-19