Flathead Lake is a large natural lake in northwest Montana, United States. The lake is a remnant of the ancient, massive glacial dammed lake, Lake Missoula of the era of the last interglacial. Flathead Lake is a natural lake along the mainline of the Flathead River.

Recreation on and around the lake includes: sailing, power boating, waterskiing, swimming, fishing, picnicking, and camping. In the summer, roadside stands along the east shore offer a variety of locally grown cherries, apples, plums, and other fruits. There are numerous motels and rental cabins in addition to public campgrounds scattered all around the shoreline. The major population centers around the lake are Kalispell, Bigfork, and Polson, all of which offer a complete variety of groceries, supplies, and information.

Flathead Lake is a large natural lake in northwest Montana, United States. The lake is a remnant of the ancient, massive glacial dammed lake, Lake Missoula of the era of the last interglacial. Flathead Lake is a natural lake along the mainline of the Flathead River.

Recreation on and around the lake includes: sailing, power boating, waterskiing, swimming, fishing, picnicking, and camping. In the summer, roadside stands along the east shore offer a variety of locally grown cherries, apples, plums, and other fruits. There are numerous motels and rental cabins in addition to public campgrounds scattered all around the shoreline. The major population centers around the lake are Kalispell, Bigfork, and Polson, all of which offer a complete variety of groceries, supplies, and information.