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188 reviews
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.
Based on guest feedback
4.3
Based on 188 reviews
Showing 188 reviews
September 14, 2023 Stayed at: B015, Loop: FLAT
We love this campground. The host is friendly and keeps the bathrooms nice and clean. She comes around to check on us. Ready access to Mack's Inn and the Big Spring area. 45 min from West Yellowstone.
Helpful
September 10, 2023 Stayed at: B006, Loop: FLAT
This campground is close enough to Yellowstone national park and the price is right.
Helpful
September 10, 2023 Stayed at: B006, Loop: FLAT
This campground is close enough to Yellowstone national park and the price is right.
Helpful
August 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.
Helpful
August 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.
Helpful
August 25, 2023 Stayed at: B006, Loop: FLAT
The facilities were very well maintained and the camp hits were friendly and helpful!
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August 25, 2023 Stayed at: B006, Loop: FLAT
The facilities were very well maintained and the camp hits were friendly and helpful!
Helpful
August 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.
Helpful
August 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.
Helpful
July 20, 2023 Stayed at: B015, Loop: FLAT
The campground was nice. It’s close to mesa falls which is pretty to see.
Helpful
Highway 20, Island Park, ID 83429 United States
Elevation: 1,962 ft
From West Yellowstone, Montana, take U.S. Highway 20 south for 22 mi, or from Ashton, Idaho, take U.S. Highway 20 north for 30 mi. The campground entrance is 1/4 mi 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.
The closest entrance is: West Entrance
Approximate drive: 20.2 mi · 35 min
Last updated: October 24, 2026
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Population: 170
Nearby city: Idaho Falls, ID
Approx. 78 mi away (straight-line distance)
Elevation: 6,289 ft
Island Park, ID
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