Flooded Road & Raging Waterfall Flooded Road & Raging Waterfall This was the scene yesterday just south of the Mad River Valley in Granville, Vermont. Route 100 and Moss Glen Falls. Watch the video This was the scene yesterday just south of the Mad River Valley in Granville, Vermont. Route 100 and Moss Glen Falls. Previous Article Mad River Valley Reality - Skiing 3 Mountains in 1 Day! Next Article Moretown Flooding 4-15-19