Cicerone's guidebook by Paddy Dillon to walking Corsica's GR20, known as the toughest GR route in Europe. It makes a complete traverse through Corsica's high mountains, sometimes with hands-on scrambling. Covering 190km, the GR20 can be completed by fit walkers in about two weeks. This complete guide includes high- and low-level alternatives, plus extra mountain climbs.
Origin: United Kingdom