Upa (river)

{{for|a river in the Czech Republic|Úpa}} {{Infobox river | name = Upa | native_name ={{native name|ru|Упа}} | image = Upa-river.jpg | image_caption = Upa river in Tula | subdivision_type1 = Country | subdivision_name1 = [[Russia]] | length_km = 345 | source1_location = | source1_elevation = | source1_coordinates = | mouth = [[Oka (river)|Oka]] | mouth_elevation = | mouth_coordinates = {{coord|54|02|07|N|36|20|03|E|region:RU-TUL_type:waterbody_source:kolossus-etwiki|display=it}} | discharge1_avg = | progression = {{ROka}} | basin_size_km2 = 9510 | tributaries_left = | tributaries_right = [[Plava River (Russia)|Plava]] }}

The '''Upa''' ({{Langx|ru|Упа́}}, {{IPA|ru|ʊˈpa}}) is a river in [[Tula Oblast]], [[Russia]], and one of the main [[tributary|tributaries]] of the [[Oka (river)|Oka]].

The river is {{convert|345|km}} long, and has a [[drainage basin]] of {{convert|9510|km2}}.<ref name=gvr>[http://textual.ru/gvr/index.php?card=178083 «Река УПА»], Russian State Water Registry</ref> The city of [[Tula, Russia|Tula]] is situated on its banks. The name of the river is of [[Baltic languages|Baltic origin]]. This is probably one of the oldest baltic [[Hydronym|hydronims]]. Lithuanian word "upė", latvian word "upe" in English means "river", in russian means "река"; <ref>E.M. Pospelov, ''Geograficheskie nazvaniya mira'' (Moscow: Russkie slovari, 1998), p. 423: "cf. Lithuanian ''ùpė, upìs, upỹs,'' Latvian ''upe'' 'river, stream.'"</ref>

== References == {{Reflist}}

[[Category:Rivers of Tula Oblast]]