Observation tower at the tree top path Salzkammergut at Gruenberg with Lake Traun and Traunstein, Gmunden, Salzkammergut, Upper Austria, Austria, Europe

buildings building canopy walk famous place gmunden gmundner see gruenberg helical incidental people lakes lake lookout tower observation points observation point observation towers observation tower overviews overview place of interest sights sight spirally spiral topviews top view topview tourist attractions tourist attraction towers tower traunsee treetop course treetop walks treetop walk viewing point viewing tower view of view on view to water