Flathead Lake

Open Water Swimmers


Flathead Lake in northwest Montana is the largest natural freshwater lake west of the Mississippi; slightly larger than Lake Tahoe at 27.3 mi. long, 15.5 mi. wide, and max depth of 370.7 ft..  As one of the cleanest in the world, Flathead Lake is perfect for OPEN WATER SWIMMING!

Chasing the Grizzly

(Flathead Lake Montana)

In September 2010, a GPS-collared grizzly bear spent Labor Day weekend swimming across Flathead Lake, a total distance of about 15 miles.  The bear finished her epic swimming journey on September 7th.  Click here to read of a swimmer's journey:  Chasing the Grizzly.

FLOWSWIMMERS :: Flathead Lake Open Water Swimmers, Polson, MT 59860 :: (303) 887-3930 :: Coach@FlowSwimmers.com