lake in the austrian alps

active alp alpen alpine alps area austria austrian beautiful beauty blue clouds day explore geography high highest highly hochgolling hochwildstelle holiday hutte ice ignaz lake landawirsee landscape loch mattis mountain mountains national nature niedere outdoor park peak peaks pool preintaler protected radstadt range rock rocks scene scenic schadminger schladming sky snow sport summer summertime tauern tourism tourist travel travelling trekking view walk walking