Big Arm Unit - Flathead Lake State Park
Open for the season. Water and showers are operational mid-May through mid-September. Bear-resistant food storage required; all food must be stored in closed, hard-sided containers or vehicles when not in immediate use.
Wind Advisory issued October 10 at 8:27AM MDT until October 11 at 3:00PM MDT by NWS Missoula MT
* WHAT...Northeast to east winds 10 to 20 mph with gusts up to 40 mph expected. Isolated higher gusts of 50-55 mph on the east side of Flathead Lake, especially in west to east oriented gaps along Highway 35, also in the Lake Blaine area. * WHERE...Flathead/Mission Valleys. * WHEN...From 3 PM this afternoon to 3 PM MDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs and weakened trees could be blown down and a few power outages may result. Strong winds and rough waves on area lakes will create hazardous conditions for small craft.
About
Big Arm Unit is one of six units comprising Flathead Lake State Park, located on the western shore of Montana's largest natural freshwater lake. The campground sits along Big Arm Bay with many of its 41 sites positioned directly on the shoreline, offering views of the Swan and Mission mountain ranges. Mature stands of ponderosa pine and juniper provide shade and a classic Montana camping atmosphere. The park's long pebble beach draws swimmers and sunbathers during summer months, while the boat launch makes Big Arm a popular departure point for visiting Wild Horse Island, a 2,163-acre island home to bighorn sheep, deer, and wild horses. Three yurts provide an alternative to tent or RV camping. Amenities include flush and vault toilets, a seasonal shower house, potable water, fire pits, bear-resistant food storage lockers, and firewood for sale. The campground operates from April through October, with full water and shower services available mid-May through mid-September. One wheelchair-accessible site is available. The maximum RV/trailer length is 40 feet. Reservations can be made through Reserve America or by calling 1-855-922-6768.
Directions
Located 15 miles north of Polson on U.S. Highway 93. Turn west onto Big Arm State Park Road.
Nearby Campgrounds
Amenities
| Water | Yes |
| Fires Allowed | Yes |
| Toilets | Yes |
| Dump Station | — |
| Wifi | — |
| Pets Allowed | Yes |
| Showers | Yes |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | — |
| Price | $18 - $90 |
Vehicle
| Max RV Length | 95ft |
| Max Trailer Length | 40ft |
| Big Rig Friendly | No |
| Pull Through Sites | Yes |
Contact
| bigarm@mt.gov | |
| Phone | +1 (406) 849-5256 |
Cell Service
| AT&T | Yes |
| Verizon | Yes |
| T-Mobile | Yes |
Useful Links
| Montana FWP Big Arm State Park |
Availability
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