beautiful summer view of the sackwiesensee in styria ( austria) as seen from the surrounding mountains

lake wilderness mountain tree reflection reservoir nature landscape river pond forest meadow valley autumn water beautiful summer view sackwiesensee styria austria surrounding mountains day amazing stunning hike hiking wanderlust tourism alp alpine alps austria austrian awe background beautiful beauty blue clear countryside day destination environment europe european explore forest grass green hike hiking trail idyllic lake landscape mountain mountains natural nature outdoor peaceful peak reflection rock scenery scenic sky summer tourism tranquil tranquility travel tree trekking view wanderlust