A guidebook to trekking the central section of the GR5 trail between Schirmeck and Lac Leman (Lake Geneva). Covering 687km (427 miles), this long-distance trek traversing the Vosges and the Haut-Jura plateau in France can be walked in 56 weeks and is suitable for moderately experienced hikers. The route is described from north to south in 11 stages, each between 40 and 87km (2555 miles) i...