Published on August 10th, 2017 | by Matt Dumoulin SUP River Surfing 101 The basics of river surfing explained! When do you start? Watch the latest SUP TV Videos Buy Sup World Mag Submit your video Related Posts How To SUP Foil Race with Josh Ku → The Special Lütz Shuttle | Promo → Mountain Intrusion | Mountain SUP Film → PIT FALLS Whitewater SUP →