Buttermilk

BUTTERMILK
BUTTERMILK
BUTTERMILK
BUTTERMILK
BUTTERMILK

Featured amenities

Picnic Table Picnic Table
Restrooms Restrooms
Fire Pit Fire Pit

Sites & Rates

Average nightly rates

20 total sites

RV Sites

20 sites

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 Picnic Table
Restrooms Restrooms
Fire Pit 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 / Launch
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 RV
No Hookups
Price not available
🚐 028, Loop: B RV
No Hookups
Price not available
🚐 029, Loop: B RV
No Hookups
Price not available
🚐 030, Loop: B RV
No Hookups
Price not available
🚐 031, Loop: B RV
No Hookups
Price not available
🚐 032, Loop: B RV
No Hookups
Price not available
🚐 033, Loop: B RV
No Hookups
Price not available
🚐 034, Loop: B RV
No Hookups
Price not available
🚐 035, Loop: B RV
No Hookups
Price not available
🚐 036, Loop: B RV
No Hookups
Price not available
🚐 037, Loop: B RV
No Hookups
Price not available
🚐 038, Loop: B RV
Water & Electric
Price not available
🚐 039, Loop: B RV
No Hookups
Price not available
🚐 040, Loop: B RV
No Hookups
Price not available
🚐 041, Loop: B RV
No Hookups
Price not available
🚐 042, Loop: B RV
No Hookups
Price not available
🚐 043, Loop: B RV
No Hookups
Price not available
🚐 044, Loop: B RV
No Hookups
Price not available
🚐 045, Loop: B RV
No Hookups
Price not available
🚐 046, Loop: B RV
No Hookups
Price not available

Reviews (201)

What Guests Are Saying

Buttermilk campground receives high praise for its beautiful, well-maintained sites and clean facilities, including some of the best vault toilets experienced by campers. Visitors appreciate the spaciousness and privacy of the campsites, along with the friendly and helpful camp hosts. The location offers a peaceful retreat near water and convenient access to nearby attractions, making it a favorite destination for families.

Review Summary

4.6
201 reviews
5
71.6%
144
4
20.4%
41
3
6.0%
12
2
0.0%
0
1
2.0%
4

Craig K

Verified

July 17, 2025 Stayed at: 043, Loop: B

5

camp was clean as were the restrooms. Host was great.

Jeffry G

Verified

July 16, 2025 Stayed at: 042, Loop: B

3

We managed to get our 40 foot class A RV into site number 1. The site was decent. But the road to the campground is atrocious. I should not have attempted it even though I was successful. It is very narrow and potholes are unavoidable. Like driving through an earthquake. The drive popped out our windshield. Branches scratched the side of the coach in many places. It was not a wise stop for us. The scenery and the river we were beside were stunning. But the drive in and out was horrible. If they would just grate the 2.8 miles of gravel road three or four times a year it would make a huge difference.

Jeffry G

Verified

July 16, 2025 Stayed at: 042, Loop: B

3

We managed to get our 40 foot class A RV into site number 1. The site was decent. But the road to the campground is atrocious. I should not have attempted it even though I was successful. It is very narrow and potholes are unavoidable. Like driving through an earthquake. The drive popped out our windshield. Branches scratched the side of the coach in many places. It was not a wise stop for us. The scenery and the river we were beside were stunning. But the drive in and out was horrible. If they would just grate the 2.8 miles of gravel road three or four times a year it would make a huge difference.

Kevin W

Verified

July 5, 2025 Stayed at: 032, Loop: B

5

Campsite and bathrooms were clean and well taken care of. The host was kind and helpful.

Kevin W

Verified

July 5, 2025 Stayed at: 032, Loop: B

5

Campsite and bathrooms were clean and well taken care of. The host was kind and helpful.

Kelly W

Verified

July 2, 2025 Stayed at: 035, Loop: B

4

Exceptionally clean and the sites are well spaced. The reservoir gets busy with motorized boat traffic racing in circles with screaming teens, which is unfortunate. Puts a damper on an otherwise excellent spot.

Kelly W

Verified

July 2, 2025 Stayed at: 035, Loop: B

4

Exceptionally clean and the sites are well spaced. The reservoir gets busy with motorized boat traffic racing in circles with screaming teens, which is unfortunate. Puts a damper on an otherwise excellent spot.

Michael J

Verified

June 30, 2025 Stayed at: 037, Loop: B

4

Great campground! We had a double spot which proved plenty of space. Our spot was adjacent to the lake but hidden by trees providing privacy, shade and access to lake. Cleanest bathrooms I have seen for a non-flush toilet.

Michael J

Verified

June 30, 2025 Stayed at: 037, Loop: B

4

Great campground! We had a double spot which proved plenty of space. Our spot was adjacent to the lake but hidden by trees providing privacy, shade and access to lake. Cleanest bathrooms I have seen for a non-flush toilet.

bECKY C

Verified

June 28, 2025 Stayed at: 028, Loop: B

5

This camp is phenomenal- the camp hosts were incredible, and the nature is beautiful and diverse. The bathrooms were so super clean, smelled good and had hand sanitizer, the water from the spicket was clear and fresh, and the best ever was the lake and the docks. We swam daily- super clear water and a family friendly lake. We loved it- a bear walked by our camp, a huge beautiful grizzly, but we had no problem. Just bear proof your camp!

Location Buttermilk

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

Elevation: 1931 feet

Distance to downtown

6.9 mi drive to downtown Island Park (about 10 min)

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: September 8, 2026

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