idyllic walkway from oberstdorf to spielmannsau village, trettach valley in the allgau alps

allgau alps awesome backpacker beautiful blank blue buttercup curve cycle destination forest germany green hiker hiking idyll june landscape man may meadow mountain nature nobody oberstdorf outdoor pasture peaceful peaks person pictorial recreation road route scenery scenic season seasonal sky snow space spielmannsau spring springtime sunny sunshine tourism trail trees trettach trettachtal valley wanderer wanderlust way white yellow