stones and rocks of the peak vitznauerstock or gersauerstock mountain rigi

adventure alp alpine alps background beautiful berg blue cantons cliff cliffs climb climbing eco ecological ecology environment geology gersauerstock grass green hiking hill landscape luzerne mount mountain mountains natural nature outdoor outdoors panorama peak rigi rock rocks rocky scenic schwyz stein stone stones summer summit sunny swiss switzerland top tourism travel trekking valley view vitznauerstock wanderlust wilderness world