the alp river in the alptal valley and tributary of the sihlsee reservoir lake, einsiedeln - canton of schwyz, switzerland

alp alpine alptal beautiful beauty canton canyon creek einsiedeln europe flow flowing forest forrest fresh grass green hill horizon lake landscape meadow mountain mountains natural nature outdoor outdoors panorama park peak plant reservoir river rivers rock scene scenery scenic schweiz schwyz sihlsee sky stone stones stream swiss switzerland tourism travel tree trees tributary vacation valley view water waterfall white wild wood