Flathead Lake

Open Water Swimmers

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Dedicated to open water swimming in Flathead Lake in northwest Montana

Flathead Lake 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 maximum depth of 370.7 ft..  As one of the cleanest in the world, Flathead Lake is perfect for OPEN WATER SWIMMING!

Flathead Lake Marine Trail

Click on the map to the left to learn about the Flathead Lake Marine Trail System.  During the summer of 2015, look for details about swims along the coastline.  If you are interested in participating in a REAL circumnavigation trip, contact Coach Mark Johnston at Coach@FlowSwimmers.com

Grizzly Bear Swim

On September 7th, Coach Mark swam, with the help of his wife Dana and Greg McCormick traced the 15-mile path that a grizzly bear took across Flathead Lake in 2010.  Read more and check out the bear's story:  GRIZZLY SWIM.

Lakeside Lighthouse Loop

(Saturday, July 12th)

The Lakeside Lighthouse Loop included 25 swimmers from three countries (US, Canada, and Belgium) in either the 1.4-mile Loop or the 2.4-mile Ironman Loop.  RE-CAP HERE

Polson Bay's Water Daze

(Saturday, August 2nd)

Record numbers swam across Polson Bay including both the oldest at 71-years and the youngest at 8-years.

RE-CAP HERE

CLICK EVENTS FOR ADDITIONAL FLATHEAD LAKE SWIMS

Polson, MT  59860

(303) 887-3930

Coach@FlowSwimmers.com