Osha (river)

Osha
Mouth location in Omsk Oblast
Physical characteristics
MouthIrtysh
  coordinates
57°12′42″N 73°40′13″E / 57.21167°N 73.67028°E / 57.21167; 73.67028
Length530 km (330 mi)
Basin size21,300 km2 (8,200 sq mi)
Basin features
ProgressionIrtyshObKara Sea

The Osha (Russian: Оша) is a river in Omsk Oblast, Russia, a left tributary of the Irtysh. It is 530 kilometres (330 mi) long, and has a drainage basin of 21,300 square kilometres (8,200 sq mi). The river flows across lake Tenis.