people on trail next to lake among rocky terrain

europe portugal beiras estrela vacation travel tourist landscape bucolic countryside rustic bush meadow sward green tranquility hill mountain ridge highlands steep slope ground boulder stone flinty rocky sunny ravine charming lake fresh water terrain thicket field clump rock pathway footpath hike trek crosscountry track trail trip walk people hiker escarpment next covao dos conchos day serra highest range continental astonishing scenery