wooden walkway winding through lush forest, with a stream flowing alongside, creating a serene and picturesque nature trail in

picturesque destination environment exploration tranquility ecotourism relaxation vegetation wilderness adventure boardwalk landscape creating oliveira portugal greenery outdoors peaceful walkway winding flowing pindelo outeiro azemeis foliage journey natural reserve pathway tourism walking railing wooden forest stream serene nature bridge escape hiking beauty scenic travel trail water river route trees lush path moss walk park