The Sopron Mountains (Hungarian: Soproni-hegység, Soproni-hg., German: Ödenburger Gebirge), occasionally also called the Ödenburg Mountains, is a low mountain range which forms the eastward extension of the Eastern Alps in Europe. It is part of the Alpokalja area of Hungary and also of the Burgenland. It is located close to the city of Sopron in western Hungary. Its highest point is the , at 606 metres above sea level.