Targhee National Forest's Flatrock Campground sits roughly half an hour from the west Yellowstone entrance, off Highway 20 near Macks Inn. Sites include electric hookup options alongside non-electric and tent-only spots, and the campground accommodates rigs up to 50 feet. Crowds are light, at least in early fall. Reservations are available, though first-come, first-served works here too. Campers wanting more options in the area can browse campgrounds near Targhee National Forest. Upper Coffee Pot is a nearby alternative worth considering.
RV Road Trip Guides
Map & DirectionsFlatrock Campground is located in Idaho near Macks Inn
Directions
In Island Park, ID, from intersection of Koeger/A2 and US Rt. 20, take Rt. 20 north 3.5 miles to campground sign. Turn left into campground.
Coordinates
44.49713596 N
111.33997882 W
Connectivity
- T-Mobile5GExcellent CoverageVerified by 19 usersLast on 8/22/26
- Verizon5GExcellent CoverageVerified by 7 usersLast on 8/22/26
- AT&TLTESome CoverageVerified by 5 usersLast on 8/22/26
Connectivity
- T-Mobile5GExcellent CoverageVerified by 19 usersLast on 8/22/26
- Verizon5GExcellent CoverageVerified by 7 usersLast on 8/22/26
- AT&TLTESome CoverageVerified by 5 usersLast on 8/22/26
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Tent Cabin
Features
For Campers
- Trash
- Picnic Table
- Phone Service
- Reservable
- WiFi
- Drinking Water
- Electric Hookups
- Toilets
- Pets
- Fires
For Vehicles
- 50 Amp Hookups
- Big Rig Friendly
Drive Time
- 1 hr 15 min from Idaho Falls, ID
- 1 hr 58 min from Bozeman, MT
- 1 hr 59 min from Pocatello, ID
- 2 hrs 40 min from Helena, MT








