The Strongwater Mtn Surf Co posse out for some good times in mid-December 2015 on Brennan's Wave on the Clark Fork River in Missoula, MT. These guys are relentless and surf year round in freezing temperatures.
Just recently CNN did a piece in their Future of Adventure video series about river surfing with KB Brown founder of Strongwater Mtn Surf Co and the culture they have created in the middle of the mountains. Check out the video here: