Flathead Lake

Flathead Lake is the biggest regular freshwater lake by surface zone that is west of the Mississippi River in the bordering United States, in the event that one takes Red Lake and Lake of the Woods to be north of the Mississippi River, as opposed to west of the stream. Flathead Lake is home to ious local and non-local fishes, and is overseen agreeably by both Montana Fish, Wildlife and Parks and the Confederated Salish and Kootenai Tribes.

The lake is home to home to the semi-yearly "Mack Days" Lake Trout angling challenge, which means to lessen the mackinaw lake trout populaces, and in addition instruct individuals about the Flathead Lake Fisheries Management Plan.