Tyosha

Tyosha
Map
Native nameТёша (Russian)
Location
CountryRussia
Physical characteristics
MouthOka
 • coordinates
55°38′03″N 42°08′51″E / 55.63417°N 42.14750°E / 55.63417; 42.14750
Length311 km (193 mi)
Basin size7,800 km2 (3,000 sq mi)
Basin features
ProgressionOkaVolgaCaspian Sea

The Tyosha (Russian: Тёша) is a river in Nizhny Novgorod Oblast in Russia, 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.