Mam Tor Ridge (the Great Ridge) 6 miles · 400 meters ascent · Estimated time: 3 hours · Difficulty rating: 3/5 text here Book Kinder Scout via Ringing Roger and Grindslow Knoll x text here Book Derwent Edge to Back Tor x text here Book 4 Edges (White Edge, Froggatt Edge, Curbar Edge and Baslow Edge) x text here Book