between mountains and forests the lima river in gerês in portugal

lake reservoir mountain wilderness tree river fjord hill landscape pond highland valley tarn reflection ridge meadow forest landscape lima river cávado national park lake peneda-gerês mountain nature beach montalegre portugal crystal clear water hydroelectric natural beauty stunning mountains travel hill summer sky tourism blue meadows ribeira beredo fauna flora leisure ecotourism biodiversity conservation relaxation rocky terrain vegetation geology resources ecosystem hydrology blue outdoors nature reserve sustainability wallpaper background erosion pine trees beach