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Parking
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About Flat Rock (Idaho)
Number of accommodations: 37
Nearby Activities & Attractions
Fishing
Hiking
Seasonal information
2026 Season availability
Campground Amenities
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Parking
Restrooms
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- Restrooms
Parking and Transport
- Parking
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Rates, Sites & Availability
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37 Sites Available
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Reviews (154)
What Guests Are Saying
Flat Rock in Island Park offers a great location with clean facilities and spacious, shaded campsites, making it ideal for a short stay. Many visitors appreciate the welcoming and attentive campground host, who maintains a neat environment and fosters a pleasant atmosphere. However, some guests have reported issues with rude interactions with the host and road noise from the nearby highway, which detracts from the experience.
What Guests Are Saying
Flat Rock in Island Park offers a great location with clean facilities and spacious, shaded campsites, making it ideal for a short stay. Many visitors appreciate the welcoming and attentive campground host, who maintains a neat environment and fosters a pleasant atmosphere. However, some guests have reported issues with rude interactions with the host and road noise from the nearby highway, which detracts from the experience.
Review Summary
John B
VerifiedSeptember 10, 2023 • Stayed at: B006, Loop: FLAT
This campground is close enough to Yellowstone national park and the price is right.
John B
VerifiedSeptember 10, 2023 • Stayed at: B006, Loop: FLAT
This campground is close enough to Yellowstone national park and the price is right.
Marion T
VerifiedAugust 27, 2023 • Stayed at: B006, Loop: FLAT
Wonderful, clean campsites, and the host was wonderful! The host name was Annie. I would definitely stay here again, and tell my friends about it.
Marion T
VerifiedAugust 27, 2023 • Stayed at: B006, Loop: FLAT
Wonderful, clean campsites, and the host was wonderful! The host name was Annie. I would definitely stay here again, and tell my friends about it.
Derek S
VerifiedAugust 25, 2023 • Stayed at: B006, Loop: FLAT
The facilities were very well maintained and the camp hits were friendly and helpful!
Derek S
VerifiedAugust 25, 2023 • Stayed at: B006, Loop: FLAT
The facilities were very well maintained and the camp hits were friendly and helpful!
John T
VerifiedAugust 22, 2023 • Stayed at: B006, Loop: FLAT
Flat Rock campground is a very clean campground. The campground hosts are very nice and fun to talk with. The sites are are spacious with great fire pit and large tent pad. There was a place to park our 4-wheelers. Close to 4-wheeler trails and all the beauty of the area.
John T
VerifiedAugust 22, 2023 • Stayed at: B006, Loop: FLAT
Flat Rock campground is a very clean campground. The campground hosts are very nice and fun to talk with. The sites are are spacious with great fire pit and large tent pad. There was a place to park our 4-wheelers. Close to 4-wheeler trails and all the beauty of the area.
Scott D
VerifiedJuly 20, 2023 • Stayed at: B015, Loop: FLAT
The campground was nice. It’s close to mesa falls which is pretty to see.
Jim D
VerifiedJuly 20, 2023 • Stayed at: B011, Loop: FLAT
The camp hosts are great! Great location to Yellowstone, clean and nice campground and some of the cleanest vault toilets I’ve seen.
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.
Latitude & Longitude: 44.4969 / -111.34
Elevation: 1962 feet
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
Nearby destinations
Last updated: June 4, 2026
