Ulansuhai Nur or Wuliangsuhai () 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 , a northâÂÂsouth length of and mean eastâÂÂwest width of (max ), with a drainage area of at an elevation of .
Ulansuhai Nur is a rare big multi-functional lake in the desolate and drought-stricken grassland. It has of bulrush square kilometers with nearly 200 species of birds and over 20 species of fish.