trees and stairs on cliffs in mullerthal near echternach in luxembourg

forest woodland trail wilderness tree jungle nature stream plant rock leaf vegetation green ridge autumn trees growing cliffs mullerthal echternach luxembourg rural region east canton spectacular geological formation walk area located sauertal berdorf waldbillig hiking trails build offer ways explore cliff erosion edge stone crumbling control eroded root plants earth landslide timber woods bosque arbol baum wald hike path dirt road gravel narrow walking leisure travel stairs luxemburg lux grand duchy europe waldbalaquo lleg kanton mafrac14 llerthal