mountaineer`s back, autumn at senjogahara plateau in nikko national park, nikko tochigi, japan

autumn back color colors countryside destination eco ecological ecology engineering environment fall fallen field forest grassland hiking industry intensity japan leaves maple marsh mediterranean methods mount mountain mountaineer mountaineers nantai national natural nature nikko okunikko park path planks plateau prefecture scenery scenic senjogahara sightseeing sunlight tochigi tourism tourist tourists trail vacation view vista walking wetland wilderness wood wooden