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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
August 4, 2022 Stayed at: B006, Loop: FLAT
Flatrock is a very nice campground. The sites are far apart and so you have privacy. The electric sites are a real plus. The camp hosts were really wonderful, making our stay(s) very pleasant. They kept the restrooms clean and well-stocked. The only draw back of this campground is the noise from the highway. A lot of big trucks using exhaust breaks at all times of the day and night.
Helpful
August 4, 2022 Stayed at: B017, Loop: FLAT
Great tent pad and campsite. Camp ground super clean. Camp host are lovely. Traffic noise.
Helpful
August 4, 2022 Stayed at: B006, Loop: FLAT
Flatrock is a very nice campground. The sites are far apart and so you have privacy. The electric sites are a real plus. The camp hosts were really wonderful, making our stay(s) very pleasant. They kept the restrooms clean and well-stocked. The only draw back of this campground is the noise from the highway. A lot of big trucks using exhaust breaks at all times of the day and night.
Helpful
August 6, 2022 Stayed at: B010, Loop: FLAT
Dan and Annie were by far the best camp host we have experienced. This was our first time going to the Yellowstone area and they made the campground top notch. Lots of help and we would visit again any time.
Helpful
August 6, 2022 Stayed at: B010, Loop: FLAT
Dan and Annie were by far the best camp host we have experienced. This was our first time going to the Yellowstone area and they made the campground top notch. Lots of help and we would visit again any time.
Helpful
August 30, 2022 Stayed at: B010, Loop: FLAT
noisy from nearness to road. but well maintained very park like at every site. bathrooms clean, not bad smells, did i say well maintained??
Helpful
August 30, 2022 Stayed at: B010, Loop: FLAT
noisy from nearness to road. but well maintained very park like at every site. bathrooms clean, not bad smells, did i say well maintained??
Helpful
August 31, 2022 Stayed at: B016, Loop: FLAT
A-mazing place. I was told by a family member that the bathrooms are very clean. The camp hots were very attentive. We are looking forward to returning!
Helpful
August 31, 2022 Stayed at: B016, Loop: FLAT
A-mazing place. I was told by a family member that the bathrooms are very clean. The camp hots were very attentive. We are looking forward to returning!
Helpful
September 8, 2022 Stayed at: B015, Loop: FLAT
We wanted to paddle the river with our canoes. The camp spots are very clean and accommodated our camper and canoe trailer perfectly. Wonderful experience.
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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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