The Tyosha (Russian: Тёша) is a riverinNizhny Novgorod OblastinRussia, a right tributary of the Oka.[1] The length of the river is 311 kilometres (193 mi). The area of its basin is 7,800 square kilometres (3,000 sq mi).[2] The Tyosha freezes up in November - first half of December and stays icebound until the second half of March - first half of April. Its biggest tributary is the Seryozha. The city of Arzamas is located on the Tyosha.
| Tyosha | |
|---|---|
 | |
| Native name | Тёша (Russian) |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Mouth | Oka |
• coordinates | 55°38′03″N 42°08′51″E / 55.63417°N 42.14750°E / 55.63417; 42.14750 |
| Length | 311 km (193 mi) |
| Basin size | 7,800 km2 (3,000 sq mi) |
| Basin features | |
| Progression | Oka→ Volga→ Caspian Sea |
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