view of mittersee alpine lake in gradentall valley

adventure alpine alps austria background beautiful blue carinthia central eastern clouds environment europe goldberg group goldberggruppe gradental grass green high tauern hiking hohe kacurren rnten lake landscape meadow mittersee mountain mountains national park nature outdoor panorama peak rock scenery scenic schober schobergruppe sky stanziwurten summer tourism travel trekking valley view water apara sterreich gradentall subrange gradenbach stream flowing