the seasonal waterfall of the altdorfbach stream on the slopes of the vitznauerstock peak and rigi mountain

adventure alpine altdorfbach beautiful blue canton canyon canyoning cascade cascades cliff creek ecology environment extreme fall flow flowing foliage forest green high hiking landscape leaves lucerne moss mountain mountains natural nature outdoor outdoors peak rigi river rock scenery scenic seasonal slopes speed stone stream summer swiss switzerland tree trekking view vitznauerstock wanderlust water waterfall waterfalls white wild wilderness