The Stand Up Paddling paradise for beginners to professionals. “SUP Rheingau” is the address for Stand Up Paddling courses in the Rheingau, at the Echterquelle right by the Rhine. Board rental, courses, and guided tours to scenic locations, floodplains, islands, and ports. Come by and rent a board with your friends or the whole family. With us, you will get high-quality hardboards for maximum SUP fun.