US lakes & pondsUS lakes & pondsCampground · National forest in Mono County, California.
| Managed by | USDA Forest Service (Inyo National Forest) |
|---|---|
| Campsites | 1 |
| Site types | 1 group standard, no electric |
| Fees | <p>$20 dollars per night</p> |
| Phone | (760) 647-3045 |
| Reservations | Recreation.gov |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Obsidian Flat Campground before you go.
Obsidian Flat Group Campground, located just outside of Mammoth Lakes, California, provides an opportunity for a group to enjoy a secluded getaway in the eastern Sierra Nevada Mountains. With a peaceful forested setting and mountain views, the campground's location is perfect for relaxing and spending time in nature. The area is popular for exploring the surrounding forest and geology, as well as nearby hiking, bicycling, fishing and off-road vehicle riding options. Recreation The eastern Sierras are known for their exceptional trout fishing. Campers can try their luck in Deadman Creek.
Description: Recreation.gov (U.S. federal government, public domain), shortened.
Lakes and ponds on LakeRipple within 10 miles, closest first (straight-line distance to the shoreline). Each page has boat launches, beaches, fishing and today's weather.
Obsidian Flat Campground is in Mono County.
Sources: Recreation.gov (RIDB). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.