{{Infobox river | name = Osyotr | native_name ={{native name|ru|Осётр}} | image = Osiotr river.jpg | image_caption = | subdivision_type1 = Country | subdivision_name1 = Russia | length_km = 228 | source1_location = | source1_elevation = | source1_coordinates = | mouth = Oka | mouth_elevation = | mouth_coordinates = {{coord|54.9750|N|38.7739|E|source:wikidata-and-enwiki-cat-tree_region:RU|display=it}} | discharge1_avg = | progression = {{ROka}} | basin_size_km2 = 3480 | tributaries_left = | tributaries_right = }}
The '''Osyotr''' ({{langx|ru|Осётр}}) is a river in Tula and Moscow Oblasts in Russia, a right tributary of the Oka.<ref>[http://bse.sci-lib.com/article085292.html Осётр], Great Soviet Encyclopedia</ref> The length of the river is {{convert|228|km}}. The area of its basin is {{convert|3480|km2}}.<ref name=gvr>[http://textual.ru/gvr/index.php?card=178620 «Река ОСЕТР»], Russian State Water Registry</ref> The Osyotr freezes up in November and stays icebound until the first half of April. The town of Zaraysk is located on the Osyotr River.
== References == {{Reflist}}
{{Portal bar|Russia}}
Category:Rivers of Tula Oblast Category:Rivers of Moscow Oblast
{{TulaOblast-geo-stub}} {{MoscowOblast-geo-stub}} {{Russia-river-stub}}