Observation tower at the tree top path Salzkammergut am Gruenberg, Gmunden, Salzkammergut, Upper Austria, Austria, Europe

attractions attraction austria bottom view buildings building canopy walk deserted empty famous place from below german federal republic germany gmunden gruenberg helical lookout tower low angle view low angle shot low angle view nobody no one no people oberoesterreich oberoesterreich observation points observation point observation towers observation tower overviews overview place of interest sights sight spirally spirals spiral tourist attractions tourist attraction towers tower travel photography travel treetop course treetop walks treetop walk uninhabited upper austria view from below viewing point viewing tower view of view on view to oesterreich