USA 250 Shirt →
Open

Open year-round on a first-come, first-served basis. Access may be limited during fall and winter due to snow. No reservations required. No drinking water available; campers must bring their own water and pack out all trash.

Air Quality Alert issued August 10 at 7:30AM MDT by NWS Great Falls MT

7:30 AM — August 11th, 9:00 AM

AQAMT The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Broadwater, Deer Lodge, Flathead, Gallatin, Granite, Jefferson, Lake, Lewis and Clark, Lincoln, Madison, Mineral, Missoula, Park, Powell, Ravalli, Silver Bow, Sweet Grass, Sanders, Yellowstone counties in effect until 9AM on 08/11/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels from wildfire smoke As of 7AM on 08/10/2026, particulate levels in Columbia Falls, Frenchtown, Libby and Missoula are Unhealthy. As of 7AM on 08/10/2026, particulate levels in Billings, Dillon, Great Falls, Helena and Thompson Falls are Unhealthy for Sensitive Groups. As of 7AM on 08/10/2026, particulate levels in Butte, Cut Bank, Hamilton, Lewistown and Sleeping Giant are Moderate. When air quality is Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us

About

Big Beaver Campground is a secluded, no-fee primitive campground located in the Main Boulder area of the Yellowstone Ranger District within Custer Gallatin National Forest. Situated near Blakely Creek and offering views of the Boulder River, this intimate 5-site campground provides a peaceful escape for campers seeking solitude and excellent fishing opportunities. The campground operates on a first-come, first-served basis year-round, though winter and fall access may be limited due to snow conditions. Each site features a picnic table and metal fire ring. Vault toilets are available, but there is no potable water, so campers must bring their own supply. Trash service is not provided; pack out what you pack in. Access requires traveling 25 miles south of Big Timber on US 298, then 8 miles south on Main Boulder Road (County Road 212). The campground road is unsuitable for vehicles longer than 32 feet, with average parking spurs measuring approximately 27 by 32 feet.

Directions

25 miles south of Big Timber on US 298, then 8 miles south on Main Boulder Road (County Road 212). Campground road not suitable for vehicles longer than 32 feet.

Amenities

Water No
Fires Allowed Yes
Toilets Yes
Dump Station No
Wifi No
Pets Allowed
Showers No
Electric Hookups
Water Hookups
Sewer Hookups
Camp Store No
Price $0

Vehicle

Max RV Length 32ft
Max Trailer Length 32ft
Big Rig Friendly No
Pull Through Sites

Contact

Phone +1 (406) 587-6710

Cell Service

AT&T None
Verizon None
T-Mobile None

Photos

Community Posts

No posts yet. Be the first to share your experience!