US lakes & pondsUS lakes & pondsCampground · National forest in Park County, Wyoming.
| Managed by | USDA Forest Service (Shoshone National Forest) |
|---|---|
| Campsites | 21 |
| Site types | 21 rv no electric |
| Longest RV/trailer site | 75 ft |
| RVs welcome | Yes |
| Dogs allowed | Yes |
| Phone | (307) 527-6921 |
| Reservations | Recreation.gov |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Threemile Campground before you go.
Threemile Campground is located just three miles from the east entrance of Yellowstone National Park, and 50 miles from the full service gateway community of Cody, in northwestern Wyoming. The area is an ideal destination for a family getaway, with many opportunities for outdoor recreation. Hard-sided camp trailers and RVs are required. Recreation Great opportunities for hiking, fishing, scenic driving and wildlife viewing are available around the campground. The North Fork of the Shoshone River is a popular fly-fishing location for rainbow and Yellowstone cutthroat trout.
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.
Threemile Campground is in Park 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.