almost dry riverbed during a drought

wilderness tree stream forest woodland nature rock river water trail jungle plant leaf wildlife autumn pond dry riverbed mountain summer ruppertsklamm small gorge lahn valley tiny called michesbach winds canyon reserve full fallen trees rocks moved wild rough rupptesklamm piece lahnstein koblenz trails lahnwanderweg rheinsteig drought rupperts klamm lahntal lahn river valley hike hiking trail gorge westerwald taunus mountains wild wilderness michelsbach reserve rheinsteig lahnwanderweg natura 2000 canyon groundwater recession flow