lake and mountains in romania's retezat mountain range in the carpathians of transylvania

mountain wilderness lake nature landscape reflection fell highland plateau valley reservoir fjord ridge alps water cloud mountains romania's retezat range carpathians transylvania reflected lake's surface stones adventure background beautiful blue carpathian mountains carpathians europe forest grass green high hike hiking hill hills lake surface landscape mountain natural nature outdoor outdoors park peak reflection retezat rock romania scenery scenic season sky stone stones summer sun tourism tourist path trail transilvania travel tree trees vacation valley view wild