rocks and stones in the summer swiss alpine environment and in the st. gotthard pass gotthardpass mountain area, airolo

adventure airolo alp alpine alps area background beautiful blue canton cliff climb climbing destination environment geology gotthard gotthardpass grass green high hiking hill landscape mount mountain mountains natural nature nobody outdoor outdoors panorama pass peak pile rock rocks rocky scenery scenic schweiz silver sky snow stone stones summer summit sunny swiss switzerland tessin ticino top tourism travel trekking vacation valley view wilderness