gamsgrube nature hiking trail at grossglockner, austria

alpine alps austria austrian brown cloud environment europe european excursion gamsgrube gamsgrubenweg glacier glockner grossglockner groaglockner high highest hiker hiking hohe hapara he ice landscape mountain national nature outdoor park pasterze path peak people range rock route salzburg scenery scenic sightseeing slope snow stone student tauern tourist trail travel trek trekking walking