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...

Outback Montana RV Park & Campground

Outback Montana RV Park & Campground offers a unique camping experience in a shaded place. It offers a 50 amp service pull-thrus with complete water and septic. There are many activities such as boating,...

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...

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...

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

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,...

Village Greens Golf Course

Village Greens Golf Course is an 18-hole course with a great view of the finest greens and shimmering lakes. It is a first-class golf experience, with a full-service pro shop, all-grass driving range, and...

Garden Bar

Garden Bar is a great place to unwind away from home. This bar offers good beers, cocktails, live bands, and games on the patio. It has a fun and lively atmosphere with kind staff and bartenders. A must-visit...

Bigfork Village Market

Live music, craft beer and spirits, local farmers, artisans, bakers, food trucks, and the community are featured at the Bigfork village market. This is a fun place to come as it has lots of local and...

Northern Pines-North Kalispell Golf Club

Northern Pines-North Kalispell Golf Club is a beautiful public course that features 18 holes in par 72. This course has a variety of characteristics, ranging from 7015 yards from the tips to 5800 yards from...

Flathead Lake Email Updates


Flathead Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Flathead Lake Weather Forecast



Hi: 47

Saturday Night

Rain Likely

Lo: 40


Rain Showers Likely

Hi: 53

Sunday Night

Mostly Cloudy

Lo: 39


Chance Rain

Hi: 59

Monday Night

Slight Chance Rain

Lo: 38


Rain Showers Likely

Hi: 59

Tuesday Night

Slight Chance Rain

Lo: 40

Flathead Lake Water Level (last 30 days)

Water Level on 5/6: 2887.96 (-0.04)

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