Flathead Lake is a lake in Lake County, Montana. Its current pool elevation is about 2893 ft (USGS gauge 12371550, 2026-08-11 17:30). We never estimate missing readings — a “—” means no current source.
Full conditions, things to do, and where to stay, eat, and rent on the Flathead Lake guide. More: boat rentals · cabins & rentals · fishing · things to do.