landscape of a river surrounded by autumn trees against blue sky in background

active adult autumn bench calm concept conservation countryside dachshund ecology ecosystem ecotour elderly environment europe fall foliage forest green hiker hiking idyllic lagoon lake lakeside landscape lookout meadow middle aged mirror national nature old outdoor park path peaceful pensive people pet pond reflection relax reserve rest resting river rural scenic season seat senior stream sunlight tourism tourist trail travel tree valley view viewpoint walking wanderlust water wetland wild wilderness winter woman wooded woodland woods