A guidebook to trekking the GR1 Sendero Hist?rico through northern Spain. Suitable for fit experienced trekkers, this quiet 1247km (775 mile) route stretches from Puerto de Tarna on the edge of the Pico de Europa National Park, across the southern flank of the Cantabrian Mountains, through the Basque Country and Catalunya, to Sant Mart? d'Emp?ries on the Mediterranean coast, and can be completed in around two months. The GR1 is divided...