cliff at the source of the alviela river on olhos d'Água beach, alcanena portugal

cliff source alviela river olhos 39aph39 aiexcl gua beach alcanena portugal trees water from evening louriceira spring legend cavern stone rock cave flowing leaves canyon agua park motion trail banks recreation lowlight destination scenic touristic natural forest sustainable tourism travel green foliage countryside village vacation peaceful landscape environment summer nature leisure outdoor portuguese europe