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Sestra Сестра Rajajoki
The railway bridge over the Sestra in Beloostrov
Location
Country	Russia
Physical characteristics
Mouth
• location	Gulf of Finland
Length	74 km (46 mi)
Basin size	399 km (154 sq mi)

The Sestra (Russian: Сестра; Finnish: Rajajoki or Siestarjoki; Swedish: Systerbäck) is a river in Vsevolozhsky and Vyborgsky Districts of Leningrad Oblast and Kurortny District of Saint Petersburg, Russia. The length of the Sestra is 74 kilometres (46 mi), and the area of its basin is 399 square kilometres (154 sq mi).

The Sestra flows over the Karelian Isthmus. The source of the river is in swamps west of the settlement of Vaskelovo, and the Sestra flows in the general direction south, having its mouth in the town of Sestroretsk. It used to fall into the Gulf of Finland until the early 18th century. After the construction of a dam for the needs of the munitions factory in Sestroretsk, a part of the river was turned into a reservoir called Sestroretsky Razliv (Sestroretsk Overflow), 2 metres (7 ft) deep with an area of 10.6 square kilometres (4.1 sq mi). Since then, the Sestra River has been flowing into this reservoir. The Sestroretsk Overflow is separated from the Gulf of Finland with a ridge of artificial sand dunes. Excess water is dumped into the Gulf of Finland through a canal, which is 4.8 kilometres (3.0 mi) long.

The Sestra served as a natural border between Russia and Sweden (1323–1617) and between Russia and Finland (1812–1940). It currently serves as a border between Vsevolozhsky (east, formerly Soviet Union) and Vyborgsky (west, formerly Finland) districts of Leningrad Oblast.

References

Media related to Sestra River at Wikimedia Commons

1. ^ Река Сестра (Рая-Йоки) (in Russian). State Water Register of Russia. Retrieved 4 June 2013.

v t e Rivers and canals of Saint Petersburg
Admiralteysky Canal Admiralteysky Rov Bezymyanny ruchey Bobilka Bolshaya Izhorka Bumazhny Canal Chyornaya Rechka Chyornaya, Lakhta Chyornaya, Serovo Chyornaya, Sestroretsk Dachnaya Dudergofka Dudergofsky Canal Fontanka Frantsuzsky Kovsh Galernaya Gavan Glukharka Gorely Ruchey Great Neva Great Nevka Griboyedov Canal Ivanovka Izhora Kamenka Karpovka Kovsh Novoy Gollandii Krasnenkaya Krestovka Kronverksky Canal Kronverksky Strait Kryukov Canal Lapka Ligovsky Canal Ligovsky Pond † Little Neva Little Nevka Lubya Matisov Canal Middle Nevka Monastyrka Morskoy Canal Moyka Murinsky ruchey Murzinka Nagorny Canal Neva Novaya Novo-Admiralteysky Canal Obvodny Canal Okhta Okkervil Pryazhka Red Canal † Saint Petersburg Fortress Canal † Salnobuyansky Canal Seldyanoy Canal † Sestra Shkipersky Canal Slavyanka Smolenka Spartak Swan Canal Starozhilovka Tarakanovka Utka Volkovka Volkovsky Canal Voskresensky Canal Vvedensky Canal † Winter Canal Yekateringofka Yemelyanovka Yuntolovka Zhdanovka

v t e Rivers of Russia by drainage basin
Barents Sea and White Sea (Arctic Ocean)	Iokanga Kem Malaya Belaya Mezen Nautsiyoki Niva Northern Dvina Pinega Sukhona Uftyuga Vaga Vychegda Yomtsa Yug Onega Pechora Usa Ponoy Varzuga Voronya
Baltic Sea	Luga Oredezh Narva Plyussa Neman Šešupė Neva Izhora Mga Okhta Tosna Pregolya Angrapa Instruch Lava Sestra Western Dvina Polota Kasplya Mezha
Lake Peipus	Velikaya Kukhva
Lake Ladoga	Svir Pasha Oyat Syas Volkhov Tigoda Vishera Vuoksi Volchya
Lake Ilmen	Lovat Polist Kunya Msta Berezayka Peretna Uver Pola Shelon
Lake Onega	Andoma Suna Vodla Vytegra
Black Sea	Dnieper Desna Vyazma Don Temernik Manych Sal Donets Khopyor Osered Bityug Voronezh Kuban Bolshaya Laba Mius Mzymta Yeya
Caspian Sea	Kuma Podkumok Sulak Andi Koysu Terek Malka Sunzha Ural Ilek Sakmara Volga Aktay Anish Bolshaya Kokshaga Bolshoy Cheremshan Bolshoy Irgiz Bezdna Chapayevka Dubna Ilet Kama Kashinka Kazanka Kerzhenets Kostroma Kotorosl Kudma Malaya Kokshaga Maly Irgiz Medveditsa Mologa Nerl Nyomda Oka Rutka Samara Selizharovka Sheksna Shosha Sogozha Sok Suda Sura Sviyaga Tereshka Tsivil Tvertsa Unzha Uzola Vetluga Vazuza Yeruslan
Arctic Ocean, east of the Urals	Alazeya Buor-Yuryakh Rassokha Amguema Anabar Bolshaya Kuonamka Malaya Kuonamka Suolama Udya Bogdashkina Chaun Chegitun Chondon Buor-Yuryakh Nuchcha Gusinaya Indigirka Allaikha Badyarikha Bolshaya Ercha Byoryolyokh Chibagalakh Druzhina Elgi Khastakh Kuydusun Kyuyente Moma Nera Selennyakh Shandrin Shangina Uyandina Ioniveyem Khatanga Kheta Kotuy Khroma Uryung-Ulakh Kolyma Anyuy Ayan-Yuryakh Bakhapcha Balygychan Beryozovka Buyunda Debin Korkodon Kulu Omolon Popovka Ozhogina Sededema Seymchan Sugoy Taskan Tenka Yasachnaya Zyryanka Kyuyol-Yuryakh Lena Aldan Batamay Begidyan Belyanka Biryuk Bolshoy Patom Buotama Byosyuke Chaya Chechuy Cherendey Chuya Derba Dzhardzhan Dyanyshka Eyekit Ichera Ilga Khanchaly Khoruongka Kenkeme Kirenga Kuta Kyuelenke Kyundyudey Linde Lungkha Lyapiske Lyutenge Markha Markhachan Menda Menkere Molodo Motorchuna Muna Myla Namana Natara Nuora Nyuya Olyokma Peleduy Pilyuda Sinyaya Sitte Sobolokh-Mayan Suola Tamma Tayura Tikyan Tuolba Tutura Tympylykan Tyugyuene Uel-Siktyakh Undyulyung Ura Vilyuy Vitim Nadym Ob Aley Barnaulka Biya Chaya Chulym Irtysh Kazym Kasmala Katun Ket Kievsky Yogan Parabel Sob Synya Tom Tromyogan Tym Vasyugan Vakh Vatinsky Yogan Olenyok Alakit Arga-Sala Beyenchime Birekte Buolkalakh Bur Khorbusuonka Kelimyar Kuoyka Kyuyutingde Merchimden Siligir Ukukit Omoloy Arga-Yuryakh Kuranakh-Yuryakh Ulakhan-Kyuegyulyur Palyavaam Pegtymel Pur Pyasina Sellyakh Sundrun Maly Khomus-Yuryakh Taz Khudosey Tolka Uele Volchya Yana Abyrabyt Adycha Baky Bytantay Dulgalakh Oldzho Sartang Tykakh Yenisey Abakan Angara Bakhta Bazaikha Bolshaya Kheta Bolshoy Pit Kacha Kan Kem Khantayka Khemchik Kureyka Mana Nizhnyaya Tunguska Podkamennaya Tunguska Sym Tanama Turukhan Yeloguy
Pacific Ocean/Sea of Okhotsk	Amur Amazar Amgun Anyuy Argun Bureya Gorin Gur Shilka Ussuri Zeya Anadyr Belaya Mayn Tanyurer Yablon Yeropol Arman Avacha Khasyn Bolshaya Gizhiga Inya Kamchatka Khatyrka Iomrautvaam Kikhchik Kukhtuy Okhota Ola Paren Penzhina Belaya Oklan Taui Chyolomdzha Tumen Uda Maya Ukelayat Ulbeya Urak Velikaya Yama Yana
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60°21′33″N 30°04′24″E / 60.35917°N 30.07333°E / 60.35917; 30.07333

• Rivers of Leningrad Oblast
• Rivers of Saint Petersburg
• Drainage basins of the Baltic Sea
• Kurortny District