alpine climbing rocks between the alpine lakes melchsee or melch lake and tannensee or tannen lake in the uri alps massif

adventure alp alpine alps background beautiful berg blue canton cliff climb climbing eco ecological ecology environment geology green hiking hill kanton lake lakes landscape massif melch melchsee melchtal mount mountain mountains natural nature obwald obwalden outdoor outdoors panorama peak rock rocks rocky scenic schweiz sky stein stone stones summer summit sunny swiss switzerland tannen tannensee top tourism travel trekking uri valley view wanderlust wilderness world