The Ulungur River / Urungu River or Urungu (Mongolian: Өрөнгө гол, romanized: Öröngö Gol, Chinese: 乌伦古河; pinyin: Wūlúngǔ hé), in its upper reaches in Mongolia known as the Bulgan River (Mongolian: Булган гол), is a river of China and Mongolia. It rises in the Altai Mountains in western Mongolia, flows south into China's Xinjiang (Altay Prefecture), where it turns north-west to empty into the Ulungur Lake. It is about 700 km long. The Irtysh–Karamay Canal crosses the Ulungur River at 46°36′15″N 87°56′52″E, on an aqueduct.
