OutReserve

Flat Rock (IDAHO)

FLAT ROCK (IDAHO)
FLAT ROCK (IDAHO)
FLAT ROCK (IDAHO)
FLAT ROCK (IDAHO)
FLAT ROCK (IDAHO)

About Flat Rock (IDAHO)

Flat Rock Campground is located 22 miles south of West Yellowstone, Montana and 30 miles north of Ashton, Idaho in beautiful Island Park, Idaho. Flat Rock is adjacent to U.S. Highway 20 and the Henry's Fork of the Snake River at an elevation of 6,400 feet.

Number of accommodations: 37

Seasonal information

2026 (Current year)

2026 Season availability

Current season
Upcoming seasons
Past seasons
Closed periods
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Currently closed - Opens on May 22

Sites & Availability

37 Sites Available

Site
Price
🚐 B005, Loop: FLAT
50 Amp · Electric Only
$62.00
/ per night
🚐 B006, Loop: FLAT
50 Amp · Electric Only
$62.00
/ per night
🚐 B007, Loop: FLAT
50 Amp · Electric Only
$62.00
/ per night
🚐 B008, Loop: FLAT
50 Amp · Electric Only
$62.00
/ per night
🚐 B009, Loop: FLAT
50 Amp · Electric Only
$62.00
/ per night
🚐 B010, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B011, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B012, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B013, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B014, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B015, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B016, Loop: FLAT
No Hookups
$25.00
/ per night
🚐 B017, Loop: FLAT
No Hookups
$25.00
/ per night
XXX1, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX10, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX11, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX12, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX13, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX14, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX15, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX16, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX17, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX18, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX19, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX2, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX20, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX21, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX22, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX23, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX24, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX3, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX4, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX5, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX6, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX7, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX8, Loop: MANAGEMENT SITES
$30.00
/ per night
XXX9, Loop: MANAGEMENT SITES
$30.00
/ per night

Reviews (77)

What Guests Are Saying

Flat Rock Campground in Island Park offers a clean, well-maintained environment with a friendly camp host who is dedicated to keeping the area organized and safe. Many campers appreciate the beautiful, shaded sites and proximity to outdoor activities, including access to the Henry’s Fork and Yellowstone National Park. However, some visitors have expressed disappointment regarding the rudeness of the camp host and issues with cleanliness, such as overflowing garbage and bathroom conditions. Overall, it remains a popular choice for its location and amenities, despite some concerns.

Review Summary

4.4
77 reviews
5
59.7%
46
4
26.0%
20
3
7.8%
6
2
3.9%
3
1
2.6%
2

Charles A

Verified

August 12, 2024 Stayed at: B005, Loop: FLAT

5

Excellent camp host and very clean

Fred B

Verified

July 17, 2024 Stayed at: B005, Loop: FLAT

5

The site was clean, cared for and easy to get in and out of. The hosts were friendly and welcoming.

Jack A

Verified

July 17, 2024 Stayed at: B006, Loop: FLAT

4

Good Campground. Only 3 sites were used and the whole rest of the campground was available. This was not normal.

Dave B

Verified

July 10, 2024 Stayed at: B015, Loop: FLAT

4

Not quiet at all
The highway is noisy all night

Frank H

Verified

September 14, 2023 Stayed at: B015, Loop: FLAT

5

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.

John B

Verified

September 10, 2023 Stayed at: B006, Loop: FLAT

4

This campground is close enough to Yellowstone national park and the price is right.

Marion T

Verified

August 27, 2023 Stayed at: B006, Loop: FLAT

5

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

Verified

August 25, 2023 Stayed at: B006, Loop: FLAT

5

The facilities were very well maintained and the camp hits were friendly and helpful!

John T

Verified

August 22, 2023 Stayed at: B006, Loop: FLAT

5

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

Verified

July 20, 2023 Stayed at: B015, Loop: FLAT

5

The campground was nice. It’s close to mesa falls which is pretty to see.

Location Flat Rock (IDAHO)

Address:
Highway 20
Island Park, ID, 83429
United States

Latitude & Longitude: 44.4969 / -111.34

Elevation: 1962 feet

Policies & Rules

Category About
General

Wildlife Caution

General

Idaho OHV Safety Message

General

A $7 fee for extra vehicles will be collected at the campground

General

No ATVs/OHVs allowed in the campground

General

This campground has first come, first served sites

General

Click here for more information on the Caribou-Targhee National Forest

General

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.

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Nearby destinations