The Ik (; tt-Cyrl, Ык, ''Iq''; , ''Iq'') is a river in

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

that flows north to the

Kama ''Kama'' (Sanskrit ) means "desire, wish, longing" in Hindu, Buddhist, Jain, and Sikh literature.Monier Williamsकाम, kāmaMonier-Williams Sanskrit English Dictionary, pp 271, see 3rd column Kama often connotes sensual pleasure, sexual ...

. It flows through the Republics of

Bashkortostan The Republic of Bashkortostan or Bashkortostan ( ba, Башҡортостан Республикаһы, Bashqortostan Respublikahy; russian: Республика Башкортостан, Respublika Bashkortostan),; russian: Респу́блик� ...

and

Tatarstan The Republic of Tatarstan (russian: Республика Татарстан, Respublika Tatarstan, p=rʲɪsˈpublʲɪkə tətɐrˈstan; tt-Cyrl, Татарстан Республикасы), or simply Tatarstan (russian: Татарстан, tt ...

and through

Orenburg Oblast Orenburg Oblast (russian: Оренбургская область, ''Orenburgskaya oblast'') is a federal subject of Russia (an oblast). Its administrative center is the city of Orenburg. From 1938 to 1957, it bore the name ''Chkalov Oblast'' () ...

. The left tributaries are Mellya,

Menzelya The Menzelya (russian: Мензеля; tt-Cyrl, Минзәлә, ''Minzälä'') is a river in Tatarstan, Russian Federation, a former left-bank tributary of the river Ik, which flows into the Nizhnekamsk Reservoir. It is long, and its drainage b ...

, Dymka, and the right tributary is Usen. It is long, and its

drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...

covers .«Река Ик (Большой Ик)»
Russian State Water Registry The time difference between

Bavly Bavly (russian: Бавлы́; tt-Cyrl, Баулы) is a town in the Tatarstan, Russia, located on the Bavly River ( Ik's tributary), southeast of Kazan. Population: History It was founded in 1755, granted urban-type settlement status in 1950, ...

in Tatarstan and Oktyabrsky in Bashkortostan is two hours (Tatarstan uses

Moscow Time Moscow Time (MSK, russian: моско́вское вре́мя) is the time zone for the city of Moscow, Russia, and most of western Russia, including Saint Petersburg. It is the second-westernmost of the eleven time zones of Russia. It has b ...

and Bashkortostan uses

Yekaterinburg Time Yekaterinburg Time (YEKT) is the time zone five hours ahead of UTC ( UTC+05:00) and 2 hours ahead of Moscow Time (MSK+2). In 2011, Russia moved to year-round daylight saving time. Instead of switching between UTC+05:00 in winter and UTC+06:0 ...

). Therefore, the bridge through Ik (river-border) is jokingly called "the longest bridge in the world".The longest bridge in the world.
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References

Rivers of Bashkortostan Rivers of Tatarstan {{Russia-river-stub