| Uil Ойыл | |
|---|---|
  Mouth location in Kazakhstan | |
| Location | |
| Country | Kazakhstan |
| Physical characteristics | |
| Source | Sub-Ural Plateau |
| • coordinates | 49°32′N 56°48′E / 49.533°N 56.800°E |
| Mouth | Aktobe |
• coordinates | 48°32′28″N 52°24′15″E / 48.5410°N 52.4041°E |
| Length | 800 km (500 mi) |
| Basin size | 31,500 km2 (12,200 sq mi) |
The Uil (Kazakh: Ойыл, romanized: Oyyl; Russian: Уил, romanized: Uil) is a river of Aktobe, Atyrau and West Kazakhstan regions, Kazakhstan. It is 800 kilometres (500 mi) long, and has a drainage basin of 31,500 square kilometres (12,200 sq mi).[1]