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 Common Waters, a film by Rig To Flip Productions → Lodestone Leashes: Automatic Leash – 2026 Product of the Year (Accessories) → Is Stand-Up Paddling the Most Misunderstood Water Sport? → Paddleboarding Paradise: Discovering Slovenia’s Soča Valley →