Devils Summits a one-day charity cycle challenge based in and around Wincanton in Somerset. The 3 Devils Summits routes will take you around some of the most beautiful and scenic scenery that Somerset, Dorset, and Wiltshire offers. Devils Summits Route 33 - 33 miles fairly flat but with a few gentle hills ideal for families and beginners. Devils Summits Route 66 - 66 miles - (A hilly route with a few killer climbs thrown in to test the legs) Devils Summits - Battle of the Hills - 100 miles and over 8,000 feet of climbing. This route is for the seasoned rider as it contains killer climbs and with not much rest bite between the next.