steps in stone and rocks next to the transparent pool of poço de corga river beach, castanheira de pêra portugal

water rock sea shore river coast tree terrain vacation cliff beach bay landscape geology waterway nature lake reservoir stream steps stone rocks next transparent pool poço corga castanheira pêra portugal trees fluvial poco building contrast natural scenic destination park countryside typical stones translucent clear ribeira pera pear riverside travel travelling tourism environment summer outdoor creek europe portuguese walkway leisure famous pond green panorama range lousa tourist beautiful remote