US lakes & pondsUS lakes & pondsCampground · National forest in Mammoth Lakes, Mono County, California.
| Managed by | USDA Forest Service (Inyo National Forest) |
|---|---|
| Campsites | 74 |
| Site types | 74 standard, no electric |
| Longest RV/trailer site | 43 ft |
| RVs welcome | Yes |
| Dogs allowed | Yes |
| Reservations | Recreation.gov |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Upper Lake Mary Tract before you go.
Coldwater Campground is located high in the eastern Sierra Nevada Mountains near the town of Mammoth Lakes, California. The surrounding national forest provides many opportunities for family fun, outdoor recreation and relaxation. Hiking, fishing, road cycling and picnicking are just some of the favorite activities available to campers. Recreation Coldwater offers easy access to fishing for rainbow, brook and brown trout in Lake Mary. Major trailheads lead into the backcountry.
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.
Upper Lake Mary Tract is in Mammoth Lakes, Mono County.
Sources: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.