Flathead Lake

Flathead Lake is in Flathead County, Montana, with the Flathead National Park flanking its eastern shores, and is surrounded by the Swan Range in the north, the Salish Mountains in the west, and the Mission Mountains in the east. The major population centers around the lake are Kalispell, Bigfork, and Polson, Montana. Flathead Lake covers approximately 128,000 acres, with 185 miles of shoreline and a maximum depth of 370 feet. Flathead Lake is the largest natural freshwater lake west of the Mississippi in the lower 48 states.  More Lake Information

Flathead Lake Camping

Ashley Lake North Campground

Ashley Lake North Campground features six campsites and a host site. There are picnic tables, fire rings, a vault toilet, and an informational bulletin board are all available. The maximum length of stay is...

Wayfarers Campground

The Wayfarers Campground offers a beautiful camp spot because of its Lake view and rock formation. The park has 30 campsites, including a hike-bike campsite with 9 tent pads that is ideal for cyclists cycling...

Rocky Mountain Hi Campground

Rocky Mountain Hi Campground is a full-service RV park campground located in marvelous Flathead Valley. It offers six cabins and full hook-ups that are good for large families and friends. Inclusions are...

Moose Lake Campground

Moose Lake Campground is a secluded campsite with three approved campsites and a vault toilet. There is no access to drinking water. In the lake, you can go fishing. It is a small campground, so there's not...

West Shore Campground

West Shore Campground has a maximum capacity of eight persons. A single camping item, such as a tent, motor home, camping bus, truck-mounted camper shell, pull-type camper, or other device designed and...

Flathead Lake Marinas

Big Arm Resort

Big Arm Resort Marina is a beautiful place. It features dock slips, fuel, and an RV park. The boat slips are available daily, monthly, and seasonal. It also has beautiful scenery, cold beverages, and good...

Hidden Harbor Marina

Hidden Harbor Marina is a private marina that offers 24', 26', and 32' boat slips in length with poured concrete columns, steel-reinforced stamped-concrete decking, bumpers, and pop-up cleats with power and...

Flathead Lake What To Do

The Brass Tap

The Brass Tap is a lively bar that features a wide selection of beers and wines. Discover beers that suit your palette with 60-80 taps and over 100 bottles in some of their branches. Come by in this small and...

Conrad Mansion Museum

Charles E. Conrad, a founding father of Kalispell, lived in the house that now houses the museum. The Conrad family's original furnishings and effects make up 95 percent of the museum's collection. The Conrad...


Adorned is a lovely boutique located in Bigfork, MT. It sells a wide selection of clothing for women. Not just clothes, Adorned also has jewelry and other unique finds. The atmosphere here is cozy and...

Grizzly Lanes

Grizzly Lanes feature 20 bowling lanes, arcades, restaurants, full bars, and casinos. There's also a bar & casino that serves drinks, pizza, burgers, and nachos. It is an excellent place to play and have...

The Montana Club Restaurant

The Montana Club Restaurant is the favorite dining place of many in Montana. The meals are made from scratch, serving from breakfast to dinner. Steakhouse quality steaks, slow-roasted prime rib, seafood,...

Flathead Lake Email Updates


Flathead Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Flathead Lake Weather Forecast


Mostly Cloudy

Hi: 44

Thursday Night

Mostly Cloudy

Lo: 33


Chance Rain

Hi: 41

Friday Night

Rain/Snow Likely

Lo: 33



Hi: 38

Saturday Night

Snow Likely

Lo: 29


Chance Snow

Hi: 34

Sunday Night

Mostly Cloudy

Lo: 22

Flathead Lake Water Level (last 30 days)

Water Level on 2/1: 2886.56 (-1.44)

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