serra da estrela - portugal

snow winter water sea ice coast frost shore reflection nature rock mountain tree freezing geology wave river landscape wilderness serra estrela portugal portugalserra portuguese ?s??? highest continental portugal together lousã westernmost constituent sistema central system includes mainland portugal#39aph39#s 993 metres summit mount higher plateau torre tower unusual accessible paved road peak topographic prominence parent municipalities seia manteigas gouveia guarda covilhã kilometres miles widest formed huge granite ridge southern frontier country