Ulansuhai Nur
Ulansuhai Nur
Coordinates	40°56′N 108°52′E / 40.933°N 108.867°E / 40.933; 108.867
Lake type	Fresh water lake
Catchment area	11,800 km2 (4,600 sq mi)
Basin countries	China
Max. length	35.4 km (22 mi)
Max. width	12.7 km (8 mi)
Surface area	233 km2 (100 sq mi)
Average depth	1.12 m (4 ft)
Max. depth	2.5 m (8 ft)
Water volume	328×10^6 m3 (11.6×10^9 cu ft)
Surface elevation	1,018.79 m (3,342 ft)
Settlements	Urad Front Banner

Ulansuhai Nur or Wuliangsuhai (Chinese: 乌梁素海; pinyin: Wūliángsù Hǎi) is a freshwater lake in located in southwest Inner Mongolia, North China, on the north (left) bank of Yellow River's Ordos Loop. The lake has an area of 233 km² (90 sq mi), a north–south length of 35.4 km (22.0 mi) and mean east–west width of 6.6 km (4.1 mi) (max 12.7 km or 7.9 mi), with a drainage area of 11,800 km² (4,600 sq mi) at an elevation of 1,018.79 m (3,342.5 ft).^[1]

Ulansuhai Nur is a rare big multi-functional lake in the desolate and drought-stricken grassland. It has 150 km² (58 sq mi) of bulrush square kilometers with nearly 200 species of birds and over 20 species of fish.^[2]