The GR5, or 'Grande Traversee des Alpes', is one of the most spectacular and civilised mountain trails in the world. It runs from the shores of Lac Leman, over the French Alps, to the reach the Mediterranean coastline at Nice. The route measures 674 kilometres (420 miles) and can be covered in a month, or it can be split over a series of summer trips to prolong the enjoyment. The guide includes interesting and scenic variant routes, such as the stunning GR55 through the Vanoise National Park and the exciting GR52 through the Mercantour National Park. This title includes daily stages, timings, ascents and descents. It details all the facilities and services from start to finish. It includes everything you need to follow the route with confidence.