Tobol

Tobol
Confluence of Irtysh and Tobol in Tobolsk in 1912
Map of the Tobol watershed
Location of mouth
Location
CountryRussia, Kazakhstan
Physical characteristics
SourceTurgay Plateau
  locationKairakty, Russia
  coordinates51°28′01″N 61°00′29″E / 51.467°N 61.008°E / 51.467; 61.008
  elevation271 m (889 ft)
MouthIrtysh
  location
Tobolsk, Russia
  coordinates
58°09′14″N 68°12′55″E / 58.1539°N 68.2153°E / 58.1539; 68.2153
  elevation
32 m (105 ft)
Length1,591 km (989 mi)
Basin size426,000 km2 (164,000 sq mi)
Discharge 
  average805 cubic metres per second (28,400 cu ft/s)
Basin features
ProgressionIrtyshObKara Sea
River systemOb

The Tobol (Russian: Тобол, Kazakh: Тобыл) is a river in Western Siberia (in Kazakhstan and Russia) and the main (left) tributary of the Irtysh. Its length is 1,591 km (989 mi), and the area of its drainage basin is 426,000 km2 (164,000 sq mi).