beautiful seasonal waterfalls under alpine rocks falknistürm in the ratikon border mountain massif or raetikon grenzmassiv

adventure alpine beautiful blue border canton canyon canyoning cascade cascades cliff creek ecology environment extreme fall flow flowing foliage forest graubuenden green grenzmassiv grisons high hiking landscape leaves mainfeld massif moss mountain mountains natural nature outdoor outdoors raetikon ratikon river rock rocks scenery scenic seasonal speed stone stream summer swiss switzerland tree trekking view wanderlust water waterfall waterfalls white wild wilderness