How much does camping cost at Flat Rock (Idaho)?

Camping fees at Flat Rock (Idaho) are $25 - $62/night. Prices may vary by site type (standard, hookup, premium) and season. Book online to see exact pricing for your dates.

Is Flat Rock (Idaho) first-come first-served or reservation?

Flat Rock (Idaho) accepts online reservations. We recommend booking in advance, especially during peak season (typically summer weekends). Use campsite alerts to get notified when spots become available.

Can I see photos of campsites at Flat Rock (Idaho) before I book?

Yes! Flat Rock (Idaho) has 26 campsite photos on Outdoorithm, contributed by campers who've stayed there. Browse real photos of individual sites to see what to expect before you reserve. You can also add your own photos after your trip to help the next family plan theirs.

What is the best time to visit Flat Rock (Idaho)?

Flat Rock (Idaho) is open May 22 to September 15. The best time to visit depends on your preferences—summer offers the warmest weather and most activities, while spring and fall provide fewer crowds and milder temperatures. Check current conditions before your trip.

Are there showers at Flat Rock (Idaho)?

Yes, Flat Rock (Idaho) has shower facilities available for campers. Check the amenities section for details on hours and any fees.

How many campsites does Flat Rock (Idaho) have?

Flat Rock (Idaho) has 74 campsites. Sites vary in size, privacy, and amenities. Check availability online to find the best site for your needs.

Are dogs allowed at Flat Rock (Idaho)?

Pets are not allowed at Flat Rock (Idaho). This policy helps protect local wildlife and other campers. Consider nearby pet-friendly campgrounds if traveling with animals.

What amenities are available at Flat Rock (Idaho)?

Flat Rock (Idaho) offers: Restrooms, Showers, Potable Water, Electrical Hookups, Laundry. See our detailed campground page for the full list of facilities and features.

What activities can I do at Flat Rock (Idaho)?

Popular activities at Flat Rock (Idaho) include Hiking, Fishing, Biking, Boating, Wildlife Viewing. The surrounding area offers plenty of outdoor recreation opportunities for all skill levels.

Flat Rock (Idaho)

Q: Can I have a campfire at Flat Rock (Idaho)?

Fire policies at Flat Rock (Idaho): 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.. Always check current fire restrictions before your trip, as conditions change seasonally.

4.42

89 reviews

HIGHWAY 20, ISLAND PARK, ID 83429, USA

Top 19% in IDSummer

B-Report Card

Featured in:Boating Camping Idaho

Quick Facts

6,400 ft

Price

$25 - $62/night

Booking

Reservable

Sites

74 campsites

Season

Open from May 23 thr...

Cell

Unknown

Pets

Check Policy

ElectricShowers

Book on Aud & Di Campground Services Official Website

Get Directions

Quick Facts

6,400 ft

Price

$25 - $62/night

Booking

Reservable

Sites

74 campsites

Season

Open from May 23 thr...

Cell

Unknown

Pets

Check Policy

ElectricShowers

Book on Aud & Di Campground Services Official Website

Get Directions

Flat Rock (Idaho)

$25.00 - $62.00 / night

Campsite Fees

MANAGEMENT: $30.00; STANDARD ELECTRIC- Double Site: $62.00; STANDARD ELECTRIC: $31.00; STANDARD NONELECTRIC: $25.00. Plus Recreation.gov reservation...

No campsite fee categories listed.

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Provider

208-558-7658 OR 208-270-0094

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Campground Map

HIGHWAY 20, ISLAND PARK, ID 83429, USA

Flat Rock (Idaho)

HIGHWAY 20, ISLAND PARK, ID 83429, USA

Nearby places

West Yellowstone, MT (22 miles, approximately 20-minute drive)

Ashton, ID (30 miles, approximately 30-minute drive)

Island Park Reservoir and Henry's Lake are nearby.

Weather at Flat Rock (Idaho)

Current alerts(6)

A $7 fee for extra vehicles will be collected at the campground
Click here for more information on the Caribou-Targhee National Forest
Idaho OHV Safety Message
No ATVs/OHVs allowed in the campground

Best Time to Camp at Flat Rock (Idaho)

Best season: summer. Summer offers the most reliable access and the most comfortable weather — daytime highs typically in the low to mid-70s°F with nights dipping into the 40s–50s°F — making it ideal for riverside camping without heavy layering. This is peak season for trout fishing on Henry's Fork, boating, hiking the volcanic landscapes, and long daylight for wildlife viewing (elk, moose, eagles). Expect moderate-to-busy crowds because Flat Rock is a short drive from West Yellowstone, and be prepared for possible夏 Peak months: July, August, June, September Avoid: October, November, December, January

Best

Summer(Jun-Aug)

4.5 / 5

Top 19% in ID

Best season: summer; most reliable access, comfortable temps, peak activities and positive summer reviews.

Planning Tips

Peak Season: May 22 to September 15. Book 2-3 months ahead.
Operating Season: Open from May 23 through September 14 (reservable season) annually.

About Flat Rock (Idaho)

Flat Rock sits along Henry's Fork of the Snake River in Caribou-Targhee National Forest, just outside Island Park. This mid-sized campground operated by Aud & Di Campground Services offers electric hookups, hot showers, and level sites that appeal to tent campers and RVers alike. Anglers fish for trout steps from their sites, while hikers and wildlife watchers explore nearby volcanic landscapes and spot elk, moose, and eagles.

Flat Rock Campground accommodates a range of camping setups with options for tent camping, RVs, and electric sites. No options for primitive or luxury camping are specified.

Weather and SeasonsBest season: summer. Summer offers the most reliable access and the most comfortable weather — daytime highs typically in the low to mid-70s°F with nights dipping into the 40s–50s°F — making it ideal for riverside camping without heavy layering. This is peak season for trout fishing on Henry's Fork, boating, hiking the volcanic landscapes, and long daylight for wildlife viewing (elk, moose, eagles). Expect moderate-to-busy crowds because Flat Rock is a short drive from West Yellowstone, and be prepared for possible夏 Peak months: July, August, June, September Avoid: October, November, December, January

Elevation6400 ft above sea level

Natural Features and SceneryThe campground occupies a lodgepole pine forest within Island Park's double caldera system, where volcanic eruptions shaped a high-altitude basin that now supports elk, moose, black bears, grizzlies, bald eagles, and Sandhill cranes. Meadows carved by ancient lava flows bloom with lupine, balsamroot, and paintbrush in season. Henry's Fork runs nearby, offering trout fishing access. The volcanic soil enriches the forest density, and the caldera structure creates the ecosystem's unusual wildlife abundance for the Lower 48.

Lodging & AccommodationsNo hotel-style accommodations are provided in the campground. However, nearby Macks Inn offers additional amenities like boat rentals and shuttle services.

Programs & ActivitiesNo cultural or educational programs are explicitly mentioned for the campground.

Best Campsites

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Reserving a campsite

Stay Limit

You may stay up to 14 nights during a visit at this campground.

Guests Allowed Per Site

Maximum guests per site not explicitly stated.

Groups

No group sites are explicitly mentioned.

Tents

Tents are allowed

RV vehicles

RV vehicles are allowed

Primitive

Primitive camping is not allowed

Reservable

Reservations are allowed

Reservation PlatformsReservations can be made through Recreation.gov, accessible online, via app, or contact center.

Site SizeThe sites are described as spacious, with large tent pads and ample room for trailers or RVs.

PrivacyPrivacy levels are high, with sites being 'far apart' and 'well-spaced.

Total Campsites74 campsites

Recommended SitesChoose sites further from the highway to minimize road noise. Electric hookup sites are well-regarded.

Best CampsitesB006, B008, B010, B011, B013, and B017 get mentioned in reviews for cleanliness, space, and convenience to amenities. Sites vary between electric and non-electric options across single and double configurations.

Need help booking Flat Rock (Idaho)?

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Recreation.gov Guide

Booking tips & windows

When to Book

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Cancellation Alerts

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Amenities available

Flat Rock Campground offers a range of essential amenities including single and double campsites with some equipped with 50-amp electric hookups. Sites come with picnic and utility tables, a campfire ring, and a tent pad. 'Vault toilets, drinking water, and trash collection are provided.' The interior roads and parking spurs are gravel, ensuring easy access for vehicles. Amenities like boat rentals, shuttle service, showers, laundry facilities, gas, and groceries are available nearby at Macks Inn, just across the highway. 'A mixed growth of lodgepole pine forest provides partial shade,' and some sites are located close to the river, offering scenic views.

Showers

Potable water

Electricity hookups

Fire rings

Picnic tables

Vault toilets

I manage this campground

RV details

Things to do at Flat Rock (Idaho)

Flat Rock Campground offers a variety of recreational activities for outdoor enthusiasts. 'Henry's Fork has great fly-fishing for rainbow and brook trout.' The Big Springs National Recreation Water Trail allows for a scenic three-hour float. Activities like tubing, canoeing, kayaking, and rafting are popular on the river. Hiking, biking, horseback riding, and ATVing are also available, with many trails crisscrossing the Island Park area. Nearby reservoirs and lakes enhance the experience with boating, water skiing, and fishing.

Fishing4.0/5

Wildlife viewing4.0/5

Area hosts elk, moose, black bear, grizzly, bald eagles and Sandhill cranes; meadow and riparian habitat abundant.

Hiking3.5/5

Near Coffee Pot Rapids Trail (2.5 mi) and Continental Divide Trail access; volcanic landscapes and meadows nearby.

Water Sports3.5/5

Biking3.0/5

Biking is noted as a popular activity on trails in the surrounding Island Park area.

Boating3.0/5

Boating available at nearby Island Park Reservoir and Henry's Lake; campground itself is riverside for small craft.

Signature experiences

Stargazing3.5/5High elevation (6,400 ft) and national-forest setting support good night skies, though highway noise may intrude.

Photography4.0/5River, meadows, lupine/balsamroot blooms and abundant wildlife offer strong photo opportunities.

Not sure what to pack?Our complete camping packing checklist

Policies & Safety

No Flush ToiletsThe campground is equipped with vault toilets rather than flush toilets.

No Water HookupsSite-level water hookups are not available. RV campers should fill freshwater tanks before arrival; check the No Potable Water note above if applicable for drinking water.

No Dump StationThere is no dump station at this campground. Plan to use a dump station along your route or at a nearby facility before or after your stay.

Fire PolicyDon'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.

Trash & RecyclingTrash collection is provided within the campground. Some reviews mention trash bins becoming full during peak times.

Cell CoverageInformation about cell phone service availability is not explicitly stated.

Trip Planning Tools

Set an AlertGet notified when sites open up Check WeatherHistorical weather data Gear for This TripMatched gear recommendations Packing ListCustomizable checklist

Questions & answers

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Reviews

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From Booking Sources

4.4

89 reviews

Recommended

Flat Rock (Idaho) is recommended, placing it in the top 40% of campgrounds based on reviews

Flat Rock Campground has a mixed reception, with many campers praising its cleanliness, spacious sites, and friendly hosts, while others note issues with noise from the nearby highway and inconsistent host behavior.

Review Summaries

Based on 89 reviews

Best sites at a glance

Pulled from per-site mentions in 89 reviews.

Site B006Loved
Site B006 received both positive ('very clean and quiet') and negative ('trash in the pit, campfire smoldering') feedback.
Site B008Loved
Site B008 was frequently mentioned as spacious and clean.

What Campers Love

Cleanliness of campsites and vault toilets, spacious and level sites, friendly and helpful hosts, close proximity to recreational activities, and excellent fishing opportunities. Many reviews commend...

Based on 89 reviews

Common Concerns

Complaints include road noise from the adjacent U.S. Highway 20, negative experiences with specific hosts, and occasional trash management issues. Some users also found the campground difficult to...

Based on 89 reviews

Pro Tips & Recommendations

Bring earplugs for highway noise. Book early, as reservations fill up quickly. Use Macks Inn for additional amenities like showers and laundry. Consider nearby Upper Coffee Pot Campground for a...

Based on 89 reviews

Seasonal Insights

Summer reviews highlight the campground's proximity to Yellowstone National Park and the pleasant outdoor activities available. However, road noise and the campground's popularity during peak seasons...

Based on 89 reviews

Camper Quotes

1. 'The campground was great, just all the rain and weather made it good.' - LEON B. 2. 'Nice wide level campsite. Access road is dirt, so some dust.' - BRYAN P. 3. 'The camp host Dan and Annie...

Based on 89 reviews

Pet-Friendly Features

Reviews generally do not mention pet-specific policies, but one user appreciated the campground's dog-friendly atmosphere and walkable distance to Mack's Inn.

Based on 89 reviews

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Flat Rock (Idaho)

$25.00 - $62.00 / night

Campsite Fees

MANAGEMENT: $30.00; STANDARD ELECTRIC- Double Site: $62.00; STANDARD ELECTRIC: $31.00; STANDARD NONELECTRIC: $25.00. Plus Recreation.gov reservation...

No campsite fee categories listed.

Get Notified When Available

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Provider

208-558-7658 OR 208-270-0094

Go if

You want clean, spacious sites with electric hookups and hot showers near prime trout water and Yellowstone access.

Skip if

Highway noise bothers you or you need a quieter backcountry experience away from traffic.

Nearby Campgrounds

Caribou-Targhee National Forest

Upper Coffee Pot sits along Henry's Fork in Caribou-Targhee National Forest near Island Park, operated by Aud & Di Campground Services. This small mid-elevation campground offers electric hookups and riverside access for tent and RV campers who fish, boat, and explore forest trails. The setting is forested and close to the water, with a five-day stay limit during the peak summer season.

$25.00 - $62.00 / night

McCrea Bridge is a mid-sized campground in Caribou-Targhee National Forest near Island Park, operated by Aud & Di Campground Services. Set in mid-elevation forest along the Henry's Fork of the Snake River, it offers tent and RV sites with vault toilets, potable water, and fire rings. Anglers fish for world-class trout, boaters launch nearby, and wildlife viewers scan the riverbanks for moose and waterfowl during the summer season.

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Campgrounds

Caribou-Targhee National Forest

Flat Rock (Idaho)

B-

Camper Report Card

How campers graded it

Rated higher than 59% of graded campgrounds

Graded on what 76 campers actually wrote - graded on 14 things that make or break a trip. Each topic is graded against every other campground on it - A is among the best, C about average. No star ratings.

Strengths

Grade A.Cleanliness
Grade A.Staff & hosts
Grade A.Getting there

Watch-outs

Grade D.Crowds & noise
Grade C-.Scenery
Grade C.Safety

Every grade - tap to see what campers said

Each topic is graded against every other campground on it; a topic campers liked never grades below C−. ± shows the 95% confidence range from the sample size.

How we grade →See how Idaho grades overall

From the U.S. Forest Service

Reference information about Flat Rock (Idaho) sourced from official USFS records and forestcamping.com. View official recreation.gov page →

Overview

<p>Flatrock Campground is located 22 miles south of West Yellowstone, Montana off of Highway 20. The campground is adjacent to the Henry's Fork of the Snake River.</p>

About the campground

The elevation is 6,400 ft. NOTE: The West Entrance to Yellowstone National Park is about 24 miles north of campground. The campground is composed of two sections: Lower - A and Upper - B. Section A is on a hillside and is the nearest to Henry's Fork of the Snake River. Some of the camping sites in this section overlook the river and are the most open with tent pads. Section B loops through a stand of Lodgepole pine. Most of the sites are shaded with parking aprons larger than the lower section. There are grey water disposal stations at some of the sites and electric hook-ups in this section. The understory is grass and wildflowers. Traffic noise from US Rt. 20 can be distracting. Nature walks are held Saturday evenings; check fee board for locations, time and subject. Boat rentals, hot showers, and laundry available at intersection of S. Big Spring Targhee National Forest 467 Ave. and US Rt. 20 in Island Park, ID. This is bear country; practice safe food-storage techniques. Use the provided bear-proof food storage boxes.

Seasons & access

Open May 19 through September 15

RV information

The parking aprons are dirt or paved. An RV waste station with potable water and fee, is at intersection of S Big Springs Ave and US Rt. 20.

Directions

In Island Park, ID, from intersection of Koeger/A2 and US Rt. 20, take Rt. 20 north 3.5 miles to campground sign. Turn left into campground.

National Forest: Targhee National Forest
Ranger District: Ashton-Island Park
Elevation: 6400
Rate: $20 per day - single $40 per day - double $26 per day - electric site $52 per day - double site w/electric
Maximum Stay: 16
Open Season: May

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