Training for the Yorkshire 3 Peaks - with a Derbyshire hike and the Mam Tor ridge - Halfway Hike Yorkshire Three Peaks | A Comprehensive Guide to the Route Yorkshire 3 Peaks Circular Route A Guide To The Yorkshire Three Peaks Challenge Yorkshire 3 Peaks Walk Route A hiker along the Three Peaks Route, with Whernside ridge in the background. Photo: Getty. The Yorkshire Three Peaks is a 24-mile long circular hike within the Yorkshire Dales National Park. As the name suggests, it involves summiting two of the park's tallest peaks, Ingleborough (723m) and Whernside (723m), and the nearby Pen-y-Ghent (694m