Upa (river)

For a river in the Czech Republic, see Úpa.

The Upa (Russian: Упа́, Russian pronunciation: [ʊˈpa]) is a river in Tula Oblast, Russia, and one of the main tributaries of the Oka.

Upa
Upa river in Tula
Native name	Упа (Russian)
Location
Country	Russia
Physical characteristics
Mouth	Oka
• coordinates	54°02′07″N 36°20′03″E
Length	345 km (214 mi)
Basin size	9,510 km2 (3,670 sq mi)
Basin features
Progression	Oka→ Volga→ Caspian Sea
Tributaries
• right	Plava

The river is 345 kilometres (214 mi) long, and has a drainage basin of 9,510 square kilometres (3,670 sq mi).^[1] The city of Tula is situated on its banks. The name of the river is of Baltic origin. This is probably one of the oldest baltic hydronims. Lithuanian word "upė", latvian word "upe" in English means "river", in russian means "река"; ^[2]