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 Product of the Year Awards 2025 | SUP Category → Product of the Year Awards 2025 | Apparel Category → SUP Surfing in Israel → Foiling Sandstorm →