Flat Rock (Idaho)
Flat Rock (Idaho) is a national forest campground in Idaho. Hookups: electric.
- Type
- National forest campground
- Location
- Idaho
- Coordinates
- 44.49694, -111.34000
- Hookups
- Electric
- Activities
- Biking, Boating, Camping, Fishing, Hiking, Hunting, Wildlife Viewing
- Map
- Open in OpenStreetMap
- Phone
- 208-558-7658 OR 208-270-0094
Amenities
- Reservable sites
Only amenities a source confirms are listed; an amenity missing here is unknown, not absent.
About Flat Rock (Idaho)
Overview Flat Rock Campground is located 22 miles south of West Yellowstone, Montana and 30 miles north of Ashton, Idaho in beautiful Island Park, Idaho. Flat Rock is adjacent to U.S. Highway 20 and the Henry's Fork of the Snake River at an elevation of 6,400 feet. Recreation Henry's Fork has great fly-fishing for rainbow and brook trout. The river's headwaters are at Big Springs, one of the nation's largest springs, just 4.5 miles from the campground. Tubing, canoeing, kayaking and rafting are also popular on the river. The Big Springs National Recreation Water Trail begins at Big Springs and ends just northeast of the campground at Macks Inn. It offers a lazy three-hour float or canoe trip through beautiful scenery. Wildlife, including moose, bald eagles and Sandhill cranes, is often seen along the trail. Hiking, biking, horseback riding and ATVing are popular activities. Many miles of trails crisscross Island Park, including the 2.5-mile Coffee Pot Rapids Trail, which begins at nearby Upper Coffee Pot Campground and meanders along the riverbank. The Continental Divide National Scenic Trail and the Nez Perce Trail are in the area. Island Park Reservoir and Henry's Lake are nearby, both offer boating, water skiing and excellent fishing opportunities. Facilities The campground contains single and double campsites, some of which have 50-amp electric hookups. Sites are equipped with picnic and utility tables, a campfire ring and tent pad. Vault toilets, drinking water an
Cell coverage
No coverage data for this location yet.
Nearby RV services
- Dump station
- NPS · 26 mi
- Water fill
- None mapped within 50 mi
- Propane
- None mapped within 50 mi
- Low clearances
- None mapped within 10 mi
- Off-road routes
- 380 designated routes (302 mi) within 10 mi
Other places to stay nearby
| Name | Type | Distance | Fee | Hookups |
|---|---|---|---|---|
| Flatrock Campground | National forest campground | under 0.1 mi | — | — |
| Mack's Inn RV park | RV park | 0.1 mi | — | — |
| Upper Coffeepot | Private campground | 1.3 mi | — | — |
| Upper Coffee Pot | National forest campground | 1.4 mi | — | Electric |
| Big Springs Warming Hut | National forest campground | 2.2 mi | — | Electric |
| Big Springs Warming Hut | National forest group campground | 2.3 mi | — | — |
Open Flat Rock (Idaho) in DryRig
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Sources. Recreation.gov (RIDB). Updated June 2026. Facility facts only; DryRig does not publish ratings or reviews on this page.