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Average nightly rates37 total sites
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13 sites
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24 sites
About Flat Rock (Idaho)
Number of accommodations: 37
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Nearby
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Year-round
Fishing
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Seasonal information
2026 Season availability
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- Restrooms
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- Parking
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37 Sites Available
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37 Sites Available
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Reviews (177)
What Guests Are Saying
Flat Rock Campground in Idaho offers a clean and well-maintained environment with spacious campsites and beautiful surroundings, making it a great spot for families and outdoor enthusiasts. Many reviews highlight the helpfulness of camp host Annie, who is praised for her dedication to maintaining the campground. However, some guests report issues with noise from the nearby highway and mixed experiences with camp hosts, suggesting improvements in host interactions and garbage management would enhance the overall experience.
What Guests Are Saying
Flat Rock Campground in Idaho offers a clean and well-maintained environment with spacious campsites and beautiful surroundings, making it a great spot for families and outdoor enthusiasts. Many reviews highlight the helpfulness of camp host Annie, who is praised for her dedication to maintaining the campground. However, some guests report issues with noise from the nearby highway and mixed experiences with camp hosts, suggesting improvements in host interactions and garbage management would enhance the overall experience.
Review Summary
Robert B
VerifiedOctober 10, 2022 • Stayed at: B008, Loop: FLAT
Very quiet and clean campground. Very friendly and knowledgeable campground host.
Robert B
VerifiedOctober 10, 2022 • Stayed at: B008, Loop: FLAT
Very quiet and clean campground. Very friendly and knowledgeable campground host.
Joseph F
VerifiedJune 7, 2023 • Stayed at: B005, Loop: FLAT
From the ease of check in, getting into the site and concrete pads, this has been one of the best RV sites we found on our journey. Having a BIG RIG (43' and tow) it was a pleasant trip.
Joseph F
VerifiedJune 7, 2023 • Stayed at: B005, Loop: FLAT
From the ease of check in, getting into the site and concrete pads, this has been one of the best RV sites we found on our journey. Having a BIG RIG (43' and tow) it was a pleasant trip.
Joyce M
VerifiedJune 14, 2023 • Stayed at: B013, Loop: FLAT
Great spot! Wonderful hosts! Hit some good weather too.
Joyce M
VerifiedJune 14, 2023 • Stayed at: B013, Loop: FLAT
Great spot! Wonderful hosts! Hit some good weather too.
Ronald P
VerifiedJune 21, 2023 • Stayed at: B011, Loop: FLAT
Camp Host Dan and Annie were great. Very kind, gracious and infomative. We will be back.
Ronald P
VerifiedJune 21, 2023 • Stayed at: B011, Loop: FLAT
Camp Host Dan and Annie were great. Very kind, gracious and infomative. We will be back.
Lenn H
VerifiedJune 23, 2023 • Stayed at: B010, Loop: FLAT
Campground hosts are awesome. Campground is immaculate
Lenn H
VerifiedJune 23, 2023 • Stayed at: B010, Loop: FLAT
Campground hosts are awesome. Campground is immaculate
Location Flat Rock (Idaho)
Address:
Highway 20
Island Park, ID, 83429
United States
From West Yellowstone, Montana, take U.S. Highway 20 south for 22 miles, or from Ashton, Idaho, take U.S. Highway 20 north for 30 miles. The campground entrance is 1/4 mile south of Macks Inn on the west side of the highway.
The campground is accessible via U.S. Highway 20, which runs north and south with connections to West Yellowstone, Montana, and Ashton, Idaho.
Elevation: 1962 feet
5.4 mi drive to downtown Island Park (about 6 min)
Policies & Rules
General
- Wildlife Caution
- Idaho OHV Safety Message
- A $7 fee for extra vehicles will be collected at the campground
- No ATVs/OHVs allowed in the campground
- This campground has first come, first served sites
- Click here for more information on the Caribou-Targhee National Forest
- Don't Move Firewood: Help prevent the spread of tree-killing pests in our national forests by obtaining firewood near your destination and burning it on-site. For more information visit dontmovefirewood.org.
Nearby Campgrounds
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Last updated: September 10, 2026
