Ashchysu (Ayr)

Ashchysu
Ащысу
Sentinel-2 image of the final stretch of river Ashchysu and its mouth in Alkamergen lake
Mouth location in Kazakhstan
Location
CountriesKazakhstan
Physical characteristics
SourceAyr Mountains
Kazakh Uplands
  coordinates49°59′50″N 75°05′23″E / 49.99722°N 75.08972°E / 49.99722; 75.08972
MouthAlkamergen
  coordinates
51°07′17″N 76°37′50″E / 51.12139°N 76.63056°E / 51.12139; 76.63056
Length348 km (216 mi)
Basin size7,420 km2 (2,860 sq mi)
Discharge 
  average0.44 cubic metres per second (16 cu ft/s) at Musa Shormanov

The Ashchysu (Kazakh: Ащысу; Russian: Ащысу) is a river in the Bukhar-Zhyrau District, Karaganda Region, and May District, Pavlodar Region, Kazakhstan. It is 348 kilometres (216 mi) long and has a catchment area of 7,420 square kilometres (2,860 sq mi).

The area of the basin is a seasonal grazing ground for local cattle and the Ashchysu is used for watering livestock. The river is frozen between November and April.