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

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...

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...

Ashley Lake South Campground

Ashley Lake South Campground is located 12 miles from Kalispell. Take Highway 2 west out of Kalispell. Turn at Batavia School onto Ashley Lake Road #912. This campground is small, with only 2 sites, a vault...

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...

Big Creek Campground

Big Creek Campsite has a 22-site campground with picnic tables, vault toilets, fire grates, and potable water. The campground can be found on the North Fork Road, 20 miles north of Columbia Falls. The stay...

Flathead Lake Marinas

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...

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...

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...

Bigfork Summer Playhouse

The Bigfork Summer Playhouse was known as the "Theatre by the Bay." It has won the Montana Governor's Award for the Arts in the past and can now count as an OSCAR winner among its graduates. It...

Glacier Lanes

Glacier Lanes is a fantastic place that features eight vintage wooden bowling lanes. It also offers leagues, live music, great food, and beers. The Glacier Lanes is has a hip vibe and a lively atmosphere with...

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...

Glacier Sun Winery

Glacier Sun Winery is Flathead Valley's premier full-production winery, specializing in innovative and unique wines. This winery makes red, white, fruit, and dessert wines using grapes from eastern Washington....

Flathead Lake Email Updates


Flathead Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Flathead Lake Weather Forecast


Mostly Sunny

Hi: 87

Wednesday Night

Chance Rain Showers

Lo: 60


Mostly Sunny

Hi: 86

Thursday Night

Mostly Clear

Lo: 57



Hi: 86

Friday Night

Mostly Clear

Lo: 58


Mostly Sunny

Hi: 85

Saturday Night

Mostly Clear

Lo: 56

Flathead Lake Water Level (last 30 days)

Water Level on 8/31: 2892.87 (+4.87)

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