{{Infobox river | name = Syun | image = | image_caption = | source1_location = Bashkortostan | mouth = Belaya | mouth_coordinates = {{coord|55|43|11|N|54|16|37|E|type:river_source:kolossus-ruwiki|display=it}} | subdivision_type1 = Country | subdivision_name1 = Russia | subdivision_type2 = Republics | subdivision_name2 = Bashkortostan and Tatarstan | length_km = 209 | source1_elevation = | mouth_elevation = | discharge1_avg = {{convert|14.8|m3/s|cuft/s|abbr=on}} | basin_size_km2 = 4500 | progression = {{RBelaya (Kama)}} }}
The '''Syun''' ({{langx|ba|Сөн}}, ''Sön''; {{langx|ru|Сюнь}}; {{langx|tt-Cyrl|Сөн}}, ''Sön'') is a river in Bashkortostan and Tatarstan, Russian Federation, a left-bank tributary of the Belaya (Kama basin). It is {{convert|209|km|mi}} long,<ref name=gvr>[http://textual.ru/gvr/index.php?card=183557 «Река СЮНЬ»], Russian State Water Registry</ref> of which {{convert|74|km|mi}} are in Tatarstan. Its drainage basin covers {{convert|4500|km2|mi2}}.<ref name=gvr/> Major tributaries in Tatarstan are the Kalmiya, Sikiya, Terpelya, Bezyada, and Sharan in Bashkortostan. The maximal water discharge is {{convert|655|m3/s|cuft/s}} (1979), and the maximal mineralization 500 to 1000 mg/L. Average sediment at the mouth per year is {{convert|120|mm|in}}. Drainage is regulated. Since 1978 it is protected as a "natural monument of Tatarstan".<ref>{{TES|Сөн}}</ref>
== References == {{reflist}}
Category:Rivers of Bashkortostan Category:Rivers of Tatarstan
{{Russia-river-stub}}