paradela reservoir a treasure in the peneda-gerês national park

lake reservoir mountain water landscape sea reflection river wilderness coast fjord nature bay shore cliff terrain tree biosphere landscape reservoir paradela dam cavado national park lake peneda-gerês beach mountains montalegre portugal basin hydroelectric natural beauty stunning nature travel hillock summer sky tourism blue meadows ribeira beredo fauna flora leisure ecotourism biodiversity conservation relaxation clear rocky terrain vegetation geology resources ecosystem hydrology reflection blue water outdoor reserve sustainability wallpaper background erosion