sassolungo and sassopiatto mountains from alpe di siusi or seiser alm, dolomites alps , italy

adige alm alpe alpine alps alto beautiful blue castelrotto dolomite dolomites dolomiti europe gardena green hiking hill house hut italian italy kastelruth landscape lodge mountain mountains nature ortisei outdoor panorama panoramic park peaks rock sassolungo sassopiatto scenery seiser sky south summer summit travel trekking trentino tyrol unesco val valley view wooden