Become One with the Water

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!  No sharks, no jellyfish, and no lane lanes...just clear, clean, and crisp water!

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Welcome to the home of FLOW Swimmers (Flathead Lake Open Water Swimmers), where THE LAKE is open year-round (when it's not frozen over)! Situated on the lake's southern shore, we are not just about embracing the exhilarating challenge of open water swimming; it's a celebration of the unique spirit and community that Flathead Lake inspires. Each stroke in these pristine waters isn't just a swim; it's a connection to nature, a testament to the purity of our environment, and a journey into the heart of what makes open water swimming an unparalleled experience..

"Clean, swimmable open water is my passion, and a portion of ALL of our proceeds go toward clean water initiatives on Flathead Lake."  — Mark Johnston

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Special delivery for Henry and Skipper! 📦🐾 Henry blends in perfectly with the UPS truck while Skipper rocks the same shade as the uniform. Coincidence? We think not! Big thanks to our favorite UPS driver for always making these two feel like VIPs (
After 20+ years, I dusted off the clubs and hit the greens at Robson Ranch, Arizona! Taking a break from the water to see if I could still keep it straight on the fairway—turns out, it’s a lot like open water swimming: steady and focused
You never know what you might encounter on an open water swim, including coyotes! Here’s @jcpeddoc at the warm-up beach at the start of the T-100 Open Water swim at Lake Las Vegas in Nevada. He encouraged me to swing by on my road trip to Arizo
Bittersweet goodbye to an amazing season on the lake 🌊 Just pulled the boat out for the year, but not without one last swim! 🏊‍♂️ 2 miles in a crisp 57°F water with Kate and Molly beside me, and Brian expertly guiding the helm. Dana, Skippe
Captured this stunning shot of Comet Tsuchinshan-ATLAS from the west fishing dock in Polson, Montana, on the southern shore of Flathead Lake. The comet, which passed within 43.9 million miles of Earth on October 12, is traveling at an incredible 180,
Local business looking for people…#1 qualification: Attention to detail. #notchatgpt