almost dry riverbed of a mountain river in summer

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