grimsel pass from gletsch, obergom, goms, wallis, switzerland

geology mountain terrain plateau ridge valley cliff badlands rock wadi wilderness landscape fell canyon coast adventure hill grimsel pass gletsch obergom goms wallis switzerland trip drive rock curve winding valley high scenic serpentine outdoor beautiful europe scenery tourism view nature travel bernese alps grimsel pass obergom goms wallis switzerland duncan brown landscape mountains mountain road hairpin hairpins bend rocks peak canyon hills