biggesee reservoir in sauerland,north rhine-westphalia,germany

waterway watercraft water vehicle vacation shore sea river reservoir port marina lake harbor dock coast channel boating boat bay biggesee talsperre sauerland germany north rhinewestphalia rhine westphalia nordrheinwestfalen stausee olpe sailing sailboat sail segelhafen biggetalsperre ebbegebirge nature park naturpark attendorn summer sommer people outdoor