Upa (river)

Upa
Upa river in Tula
Map
Native nameУпа (Russian)
Location
CountryRussia
Physical characteristics
MouthOka
 • coordinates
54°02′07″N 36°20′03″E / 54.03528°N 36.33417°E / 54.03528; 36.33417
Length345 km (214 mi)
Basin size9,510 km2 (3,670 sq mi)
Basin features
ProgressionOkaVolgaCaspian Sea
Tributaries 
 • rightPlava

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

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]

  1. ^ «Река УПА», Russian State Water Registry
  2. ^ E.M. Pospelov, Geograficheskie nazvaniya mira (Moscow: Russkie slovari, 1998), p. 423: "cf. Lithuanian ùpė, upìs, upỹs, Latvian upe 'river, stream.'"