Flat Rock Campground Camping Area

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Last Updated: December 4, 2025

Flat Rock Campground, located in the Caribou-Targhee National Forest near Island Park, Idaho, offers 25 established campsites (no dispersed camping) in a peaceful, pine-forested setting near the Henrys Fork of the Snake River.


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Summary

Reservations are recommended via Recreation.gov; fees apply. Amenities include vault toilets, potable water, fire rings, picnic tables, and RV-friendly sites (no hookups). The area is great for fishing, hiking, and wildlife viewing, with easy access to nearby trails and just 30 miles from Yellowstone National Park. Best visited June–September for warm weather and full access. The quiet, scenic vibe makes it ideal for nature-lovers and families.

       

Weather Forecast

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Nearby Streamflow Levels

Flat Rock CampgroundYANKEE FORK SALMON RIVER NR CLAYTON ID Preview Yankee Fork Salmon River Nr Clayton Id
56.5cfs
57cfs
Flat Rock CampgroundSALMON RIVER BL YANKEE FORK NR CLAYTON ID Preview Salmon River Bl Yankee Fork Nr Clayton Id
489.0cfs
489cfs
Flat Rock CampgroundTHOMPSON CREEK NR CLAYTON ID Preview Thompson Creek Nr Clayton Id
3.57cfs
4cfs
Flat Rock CampgroundVALLEY CREEK AT STANLEY ID Preview Valley Creek At Stanley Id
95.4cfs
95cfs
Flat Rock CampgroundSQUAW CREEK BL BRUNO CREEK NR CLAYTON ID Preview Squaw Creek Bl Bruno Creek Nr Clayton Id
17.2cfs
17cfs
Flat Rock CampgroundMF SALMON RIVER AT MF LODGE NR YELLOW PINE ID Preview Mf Salmon River At Mf Lodge Nr Yellow Pine Id
552.0cfs
552cfs

Camping Essential Practices

Pack It In, Pack It Out
Take all trash, food scraps, and gear back with you to keep campsites clean and protect wildlife.
Respect Wildlife
Observe animals from a distance, store food securely, and never feed wildlife to maintain natural behavior and safety.
Know Before You Go
Check weather, fire restrictions, trail conditions, and permit requirements to ensure a safe and well-planned trip.
Minimize Campfire Impact
Use established fire rings, keep fires small, fully extinguish them, or opt for a camp stove when fires are restricted.
Leave What You Find
Preserve natural and cultural features by avoiding removal of plants, rocks, artifacts, or other elements of the environment.

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Nearby Snowpack Depths View more

STANLEY
0"
0"
BENCH LAKES
19.1"
19"
NOHRSC MILL CREEK SUMMIT
9.0"
9"
MILL CREEK SUMMIT
9.0"
9"
BANNER SUMMIT
1.0"
1"
BANNER SUMMIT
1.0"
1"
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River Runs