Ngoring Lake (Tibetan: མཚོ་སྔོ་རིང་, Wylie: mtsho sngo ring) or Ngoreng Lake (Tibetan: མཚོ་སྔོ་རེངས, Wylie: mtsho sngo rengs) or Eling Lake (Chinese: 鄂陵湖; pinyin: èlíng Hú) is a large freshwater lake in the Yellow River catchment, it is in the southeast of Qinghai Province.The name of lake means "Long Blue Lake" in Tibetan language. Ngoring Lake is 610.7 km (235.8 sq mi), with a drainage area of 18,188 km (7,022 sq mi), an elevation of 4,268 m (14,003 ft), length 32.3 km (20.1 mi) and mean width 18.9 km (11.7 mi) (max 31.6 km (19.6 mi)). It is also the origin of the Yellow River.