This guidebook provides a comprehensive description of the classic GR20 long distance path in Corsica. The route is described in 16 stages/days, along with some high and low level alternatives. The GR20 route is around 190km long travelling over the spine of the Corsican Mountains. The guidebook provides detailed route descriptions of the GR20 for each of the 16 stages/days, along with 1:50,000 scale maps, together with information regarding food, water and shelter along the route. Also included is lots of practical information such as what walkers will need to carry with them, ascent/descent details, and the technical difficulties of the route.  Also included is a separate map booklet that provides all the IGN mapping needed to complete the GR20, at a scale of 1:25,000. Published in June 2022 by Cicerone, this is the revised 5th edition of this guidebook, and includes many stunning photographs. Plus there is plenty of practical information on getting to and from Corsica, along with actually getting around Corsica itself. Number of pages is 296. Size is 116mm x 172mm. ISBN is 9781786310675.