TravelTill

About Flathead Lake Area



has a maximum depth of 370.7 ft (113.0 m), and an average of 164.7 ft (50.2 m). This makes Flathead lake deeper than the average depths of the Yellow Sea or the Persian Gulf. Polson Bay, at the lake's outlet was raised 10 ft (3.0 m) by Kerr Dam. It is one of the cleanest in the populated world for its size and type