Eco-tourism on the rivers of Kazakhstan -
The Uil River flows through the Aktobe, Atyrau, and West Kazakhstan regions.
River Origin
It begins 50 km northwest of the Kandyagash railway station in the Aktobe region, divides into several branches in the Taisogan Sands (Atyrau region), and stretches near the settlement of Karakol between the Zhaltyrkol and Aktobe lakes in the Caspian basin (formerly flowing into the Ural River).
Hydrology
Its length is 800 km, and its catchment area is 31,000 km2. The valley in the upper and middle sections of the river is cut by deep ravines, while the lower section flows through a ridge plain. The main channel is 20-40 meters wide and is fed by groundwater and precipitation. In the spring, the river's water level rises with snow, and its mineralization decreases. In the summer, salinity increases as the river divides into banks. The average annual discharge near the village of Miyaly is 10.8 m3/sec. The largest branches are Ashoil, Kenzhaly, Kaindy, and Kiil. Flooding occurs during hayfields on farms in the Aktobe and Atyrau regions. Crops and livestock are irrigated with the water. Settlements along the Miyaly, Oyil, and other settlements are located along the river. During the floods in March and May, the water level rises to 10 meters or more.
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