Spring Runoff on the Upper Dolores River The Upper Dolores River is one of our favorite rivers to stand up paddle board in Western Colorado! Read More SUP, Stand Up Paddle, Stand Up Paddle Board, RiversNola SvobodaDecember 15, 2017stand up paddle, stand up paddle board, dolores river, colorado, western colorado, river sup, rivers, whitewater, whitewater sup, spring, snowmelt, san juan mountains, sup, runoff, swiftwater, swiftwater sup