klotten, germany - 08 02 2022: tunnel as an entry to nature reserve dortebachtal, signs on the side

waterway transport infrastructure road bridge track lane tree river highway asphalt reservoir canal walkway wall vehicle trail plant klotten germany 2022: tunnel entry nature reserve dortebachtal village mosel valley moselle starting france rhine lower called terassenmosel terraced vineyards cochem one regional centers east ferry steep steillagen small eifel side moselsteig system including narrow signs