OutReserve

Buttermilk

BUTTERMILK
BUTTERMILK
BUTTERMILK
BUTTERMILK
BUTTERMILK

Featured amenities

Picnic Table
Restrooms
Fire Pit

About Buttermilk

Buttermilk Campground is located approximately 30 miles southwest of West Yellowstone, Montana and 32 miles north of Ashton, Idaho in beautiful Island Park, Idaho. Buttermilk sits next to Island Park Reservoir at an elevation of 6,200 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities.

Number of accommodations: 20

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 open - May 22 to Sep 15

Campground Amenities

Most popular amenities

Picnic Table
Restrooms
Fire Pit
Water and Hygiene

Water and Hygiene

  • Restrooms
Cooking and Fire

Cooking and Fire

  • Picnic Table
  • Fire Pit
  • Campfire Ring
Water Access

Water Access

  • Boat Ramp
Missing information?

Rates, Sites & Availability

Select check-in and check-out dates to see real-time availability for each site.

20 Sites Available

Site
Price
🚐 027, Loop: B
No Hookups
Price not available
🚐 028, Loop: B
No Hookups
Price not available
🚐 029, Loop: B
No Hookups
Price not available
🚐 030, Loop: B
No Hookups
Price not available
🚐 031, Loop: B
No Hookups
Price not available
🚐 032, Loop: B
No Hookups
Price not available
🚐 033, Loop: B
No Hookups
Price not available
🚐 034, Loop: B
No Hookups
Price not available
🚐 035, Loop: B
No Hookups
Price not available
🚐 036, Loop: B
No Hookups
Price not available
🚐 037, Loop: B
No Hookups
Price not available
🚐 038, Loop: B
Water & Electric
Price not available
🚐 039, Loop: B
No Hookups
Price not available
🚐 040, Loop: B
No Hookups
Price not available
🚐 041, Loop: B
No Hookups
Price not available
🚐 042, Loop: B
No Hookups
Price not available
🚐 043, Loop: B
No Hookups
Price not available
🚐 044, Loop: B
No Hookups
Price not available
🚐 045, Loop: B
No Hookups
Price not available
🚐 046, Loop: B
No Hookups
Price not available

Reviews (178)

What Guests Are Saying

Buttermilk campground receives high praise for its cleanliness, well-maintained restrooms, and friendly hosts, making for a pleasant camping experience. Many reviewers appreciated the spacious campsites and serene atmosphere, especially after peak season, which allowed for enjoyable day trips to nearby attractions. Some concerns were raised about road conditions and noise from the reservoir, but overall, the campground is regarded as a favorite destination for future visits.

Review Summary

4.6
178 reviews
5
70.8%
126
4
20.2%
36
3
6.7%
12
2
0.0%
0
1
2.2%
4

Robert P

Verified

August 17, 2021 Stayed at: 027, Loop: B

3

You cannot move your atv/utv in the campground. According to camp host, it is a $400 fine if the wheels touch the ground in the campground. There is an unsecured parking area to park your machine, about 200-500 yards from the campsites. Bring extra locks and cables, plus a tote to take your valuables back to your campsite.

Robert P

Verified

August 17, 2021 Stayed at: 027, Loop: B

3

You cannot move your atv/utv in the campground. According to camp host, it is a $400 fine if the wheels touch the ground in the campground. There is an unsecured parking area to park your machine, about 200-500 yards from the campsites. Bring extra locks and cables, plus a tote to take your valuables back to your campsite.

Viola W

Verified

August 14, 2021 Stayed at: 042, Loop: B

5

Didn't know what to expect because there were no real photos, just a generic, unflattering pic of a picnic table in full sun. We were pleasantly surprised to find this is a densely treed area and right next to a lake (1-3 minute walk for most sites). We sat by the lake in the evening to watch the fish jump--a lot--and were blessed with a cow moose that came down to the shore to drink and swim a little, about 100 ft. away from us! Most sites are spacious, shaded (choice of morning or afternoon shade depending on how you're oriented in the loop) with plenty of room for our 35' pull trailer. We got rain that night, so were very pleased that the sites are gravel that drains quickly (road was muddy, tho). We'll definitely come back to stay longer. Spotless restrooms. Great campground.

Viola W

Verified

August 14, 2021 Stayed at: 042, Loop: B

5

Didn't know what to expect because there were no real photos, just a generic, unflattering pic of a picnic table in full sun. We were pleasantly surprised to find this is a densely treed area and right next to a lake (1-3 minute walk for most sites). We sat by the lake in the evening to watch the fish jump--a lot--and were blessed with a cow moose that came down to the shore to drink and swim a little, about 100 ft. away from us! Most sites are spacious, shaded (choice of morning or afternoon shade depending on how you're oriented in the loop) with plenty of room for our 35' pull trailer. We got rain that night, so were very pleased that the sites are gravel that drains quickly (road was muddy, tho). We'll definitely come back to stay longer. Spotless restrooms. Great campground.

Lara Susan M

Verified

August 7, 2021 Stayed at: 044, Loop: B

5

Really nice campground. Nice people camping, nice host, nice bear going around when we were there 😂 It's a good spot. Ah, no showers (we didn't know about that), also no showers in the area at all. Gotta use the river near by haha

Lara Susan M

Verified

August 7, 2021 Stayed at: 044, Loop: B

5

Really nice campground. Nice people camping, nice host, nice bear going around when we were there 😂 It's a good spot. Ah, no showers (we didn't know about that), also no showers in the area at all. Gotta use the river near by haha

Dana M

Verified

July 30, 2021 Stayed at: 037, Loop: B

5

Steve & Steph were friendly, caring and very helpful hosts!

Dana M

Verified

July 30, 2021 Stayed at: 037, Loop: B

5

Steve & Steph were friendly, caring and very helpful hosts!

Pat H

Verified

July 28, 2021 Stayed at: 027, Loop: B

5

The host was very helpful and pleasant. He helped me find another spot for the night. The bathrooms were very clean. Great experience!

Pat H

Verified

July 28, 2021 Stayed at: 027, Loop: B

5

The host was very helpful and pleasant. He helped me find another spot for the night. The bathrooms were very clean. Great experience!

Location Buttermilk

Address:
Buttermilk Loop Rd
Island Park, ID, 83429
United States

Latitude & Longitude: 44.4325 / -111.426

Elevation: 1931 feet

Policies & Rules

Cancellation policy

  • Reservation fees are non-refundable. For campsites, cabins, lookouts, yurts, group sites, and similar stays, we charge a reservation service fee of $8.
  • Standard cancellations usually have a $10 cancellation fee. Customers can generally cancel before the check-in date online.
  • Late cancellation rules differ by stay type.
    • Individual campsites: cancelling after 12:00am local time the day before arrival usually means a $10 cancellation fee plus forfeiting the first night's fee.
    • Cabins, lookouts, and yurts: cancelling less than 14 days before arrival usually means a $10 cancellation fee plus forfeiting the first night's fee.
    • One-night reservations: a late cancellation usually forfeits the full amount paid, up to the total original reservation cost.
  • Modifications are allowed before the cut-off window, but fees depend on the change. Changing to dates completely outside the original reservation dates may trigger a $10 change fee. Extending or shortening a stay that still includes original dates usually has no change fee, though refunds may depend on timing and facility rules. Switching to the same type of campsite for the same dates usually has no change fee, but price differences are charged or refunded.
  • Early departures may or may not be refunded. At certain facilities, partial refunds may be possible if staff can mark the site available for other visitors. No refund is given for a night if the early departure is requested after that day's check-out time.
  • Security deposits are separate. Security deposits may be refunded to the original payment method if the facility is left in acceptable condition, as determined by the property.

Safety & rules

  • Be aware of wildlife in the area.
  • Follow safety guidelines for Off-Highway Vehicles in Idaho.

Fees & deposits

  • There is a $7 fee for each additional vehicle at the campground.

Site types & loops

  • ATVs and OHVs are not permitted in the campground.

Site capacity

  • Sites are available on a first-come, first-served basis.

General

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

Fires & fuel

  • To prevent pests, do not move firewood; obtain it locally and burn it on-site.

Nearby Campgrounds

Nearby destinations


Last updated: June 5, 2026

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