Usta (Russia)
The Usta (Russian: Уста) is a river in Nizhny Novgorod and Kirov Oblasts, Russia. It is a left tributary of the Vetluga (Volga's tributary).[1] It is 253 kilometers (157 mi) in length, with a drainage basin of 6,030 square kilometers (2,330 sq mi).[2] Most of its water comes from melting snow. The average discharge 47 kilometers (29 mi) from its mouth is 28 cubic meters per second (990 cu ft/s).[1] The Usta freezes over in November, and stays icebound until April. It is navigable in its lower reaches. The town of Uren is located by the Usta.
| Usta | |
|---|---|
 | |
| Native name | Уста |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Mouth | Vetluga |
• coordinates | 56°54′40″N 45°27′40″E |
| Length | 253 km (157 mi) |
| Basin size | 6,030 km2 (2,330 sq mi) |
| Basin features | |
| Progression | Vetluga→ Volga→ Caspian Sea |
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