Big Arm State Park

Big Arm State Park is located on Flathead Lake, the largest natural freshwater lake in the western United States. Twenty-eight miles long and 15 miles wide, Flathead Lake is renowned for its fishing. 

Located on the lake's Big Arm Bay, this State Park's long pebble beach is popular with sunbathers and swimmers. Camping under a stand of mature ponderosa pine and juniper is a major attraction. The hiking trail provides excellent vistas of surrounding mountain ranges and high peaks with abundant watchable wildlife opportunities. Other opportunities include: fishing for lake trout, board sailing, boating, swimming, camping, picnicking, bicycling, hiking the 2.5 mile trail, wildlife viewing, scuba diving, and water-skiing.

Big Arm State Park now has the latest in circular camping comfort, a 20-ft wide, 10-ft tall yurt. You only need to bring bedding, cooking utensils, personal toiletries, a flashlight and a container for water. Electrical outlets, lights, electric heat and a propane barbecue for outdoor cooking are also provided. A joint state/tribal fishing license is needed for fishing at this park. Pets are required to be on leashes.

Big Arm is a popular jumping-off point to Wild Horse Island State Park, a 2,163 acre island off the west shore of the lake that is home to bald eagles, bighorn sheep, yellow-pine chipmunks, and wild horses. Wild Horse Island is accessible only by boat.

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Location

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Nearby
Latitude: 47.811997 Longitude: -114.313606 Elevation: 3027 ft
the best travel advice comes from the people who live here
Betsy Kirkeby

Number of Camp Sites

46

Campground Style

Semi-Developed

Maximum Campsite Spur Length

30'

Maximum Number of People Cabin or Fire Lookout May Accommodate

8

Facilities Available

ADA accessible, boat launch, fire grills, pay phone, picnic shelter, toilets (flush & vault), water, bear-resistant storage lockers, firewood for sale, parking, pets allowed, trash removal, 2 regular yurts, 1 large yurt

Nightly Fee

$5.00 day use fee (non-residents), $15 campsite fee, $25 campsite w/electric, $45 yurt

Maximum Length of Stay Allowed

14 days during a 30 day period

Driving Directions from Nearest Town or Landmark

From Polson, MT drive 13.5 miles north on US-93

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