GUIDEBOOK TO THE GR131, AN ISLAND-HOPPING TRAIL THAT RUNS COAST TO COAST ACROSS EACH OF THE 7 CANARY ISLANDS, A SUB-TROPICAL SPANISH ARCHIPELAGO. DESCRIBED OVER 32 STAGES, THE ROUTE BEGINS ON LANZAROTE, FINISHES ON EL HIERRO, MEASURES 563KM (350 MILES) AND WOULD TAKE AN AVERAGE TREKKER ABOUT 1 MONTH TO COMPLETE.