wild river with waterfall at umbalfaelle on mountain grossvenediger in nationalpark hohe tauern in tirol in austria

austria background canyon clear creek destination ecology ecosystem energy environment flow forest fresh gorge grossvenediger hiking hohe hydropower landscape mountain national nature park picturesque power pure purity quality recreation renewable resource river rock scenic source spectacular stream supply sustainability sustainable tauern tirol tourism travel umbalfaelle umbalfalls vacation valley water waterfall wild wilderness