lake from dam in a rocky terrain on highlands

europe portugal beiras estrela vacation travel tourist landscape bucolic countryside rustic bush meadow parched sward green tranquility hill mountain ridge highlands steep slope ground boulder stone flinty rocky sunny ravine deserted charming lake loch blue fresh water panorama terrain thicket field clump dam wilderness rock escarpment horizon shrub leafy uplands covao dos conchos bushes day serra highest range continental astonishing scenery