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 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...

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...

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...

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...

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...

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

Buffalo Hill Golf Club

Buffalo Hill Golf Club, located in the heart of Kalispell, Montana, is a historic public golf course. The club has two golf courses, the Championship 18 and Cameron 9, as well as a PGA Pro Shop and a...

Signature Stadium 14

Signature Stadium 14 is located in Hutton Ranch Plaza. The cinema features all digital Sony 4k projection and an express lane for online tickets. The seats are fine, and the theater is clean. Also, enjoy the...

Rainbow Bar & Casino

One of the valley's most venerable bars in Kalispell is Rainbow Bar & Casino. It has been serving for over 70 years, offering the best drinks, sporting events, a full casino, pool tables, and darts. Also,...

Kelly's Casino and Bar Bigfork

Kelly's Casino is centrally located in Bigfork, Montana. It is a nice little dive bar. Kelly's Casino provides a warm and comfortable lounge environment to enjoy a beverage and great conversation during the...

Kalispell Farmers Market

Kalispell Farmers Market offers fresh fruits, veggies, plants, local meats, local arts, and local crafts. On a Saturday morning, the market is a terrific opportunity to meet your neighbors while shopping for...

Flathead Lake Email Updates


Flathead Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Flathead Lake Weather Forecast


Mostly Sunny

Hi: 85

Friday Night

Mostly Clear

Lo: 60


Mostly Sunny

Hi: 88

Saturday Night

Mostly Clear

Lo: 60


Mostly Sunny

Hi: 87

Sunday Night

Mostly Clear

Lo: 58


Mostly Sunny

Hi: 86

Monday Night

Mostly Clear

Lo: 58

Flathead Lake Water Level (last 30 days)

Water Level on 7/12: 2893.05 (+5.05)

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