Kalkutan

Kalkutan
Қалқұтан
Ishim basin
Mouth location in Kazakhstan
Location
CountryKazakhstan
Physical characteristics
Source 
  locationLake Shortankol
  coordinates51°51′25″N 71°18′05″E / 51.85694°N 71.30139°E / 51.85694; 71.30139
  elevation370 m (0.23 mi)
MouthIshim
  coordinates
51°43′18″N 71°18′05″E / 51.72167°N 71.30139°E / 51.72167; 71.30139
  elevation
280 m (0.17 mi)
Length223 km (139 mi)
Basin size17,400 km2 (6,700 sq mi)
Basin features
ProgressionIshimIrtyshObKara Sea

The Kalkutan (Kazakh: Қалқұтан / Qalqūtan) or Koluton (Russian: Колутон) is a river of the Akmola Region, Kazakhstan. It has a length of 223 km (139 mi) and the size of its basin is 17,400 km2 (6,700 sq mi).