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25-524: The area of the district is elongated from north to south along the shore of Lake Ladoga. It completely belongs to the catchment area of Lake Ladoga, with the biggest river being the Vuoksi . The landscapes are typical for Kartelian Isthmus, with the hilly and rocky terrain covered by coniferous forest, and with many lakes. The biggest lakes in the district are Lake Vuoksa , Lake Sukhodolskoye , and Lake Otradnoye . Konevets Island on Lake Ladoga also belongs to

50-478: A canal was dug to drain spring flood waters from Lake Suvanto (now Lake Sukhodolskoye, a 40 kilometers (25 mi) long narrow lake in the eastern part of the Karelian Isthmus ) into Lake Ladoga; the canal unexpectedly eroded and turned into Taipaleenjoki (now Burnaya River). The Taipaleenjoki started draining Suvanto and decreased its level by 7 meters (23 ft). Originally Lake Suvanto flowed into

75-541: A navigable canal, which would connect Lake Ladoga to the Gulf of Finland and allow oil tankers to bypass River Neva and the city of Saint Petersburg. Around 5,000 BP the waters of the Saimaa Lake penetrated Salpausselkä , forming the river emptying into Lake Ladoga in its northwestern corner and raising the level of the latter by 1 to 2 meters (3.3 to 6.6 ft). Lake Ladoga transgressed , flooding lowland lakes and

100-464: Is a river running through the northernmost part of the Karelian Isthmus from Lake Saimaa in southeastern Finland to Lake Ladoga in northwestern Russia . The river enters Lake Ladoga in three branches, an older main northern branch at Priozersk (Käkisalmi), a smaller branch a few kilometers to the north of it, and a new southern branch entering 50 kilometers (31 mi) further southeast as Burnaya River (Finnish: Taipaleenjoki), which has become

125-648: Is famous for its rapids , for instance Imatrankoski in Imatra and rapid in the village of Losevo (Kiviniemi). The rapid junction of the Vuoksi and Suvanto/Lake Sukhodolskoye at Losevo is a popular area for kayak , canoe and catamaran competitions. A project is currently being discussed in Russia to destroy the rapids at Losevo and turn the River Burnaya, Lake Sukhodolskoye and lower portions of Vuoksi into

150-603: The Saint Petersburg-Kuznechnoye railroad . Population: 7,209 ( 2010 Census ); 5,953 ( 2002 Census ). It was established in 1500 by name of Rautu in Finland. The Battle of Rautu was one of the major battles of the 1918 Finnish Civil War . Population of Rautu was Finnish and mostly Lutheran until the Winter War 1939-1940. The Finnish population was evacuated, and the settlement finally ceded to

175-710: The Soviet Union after Continuation War in 1944. The historical name Rautu was changed to the Russian Sosnovo in 1948, as with most historical names of the ceded Finnish Karelian isthmus. Before the Winter War (1939–1940) and the Continuation War (1941–1944), it was the administrative center of the Rautu municipality of Viipuri Province of Finland . Finnish Rautu had population 5909 in 1939. Prize-winning Russian folklore ensemble Leznaya Skazka

200-745: The Soviets . The Vuoksi connects Lake Ladoga with central Finland, and was once an important route for trade and communication. A western branch, which disappeared due to ongoing land uplift, was an alternative route for the Karelians to reach the Gulf of Finland when the Neva River was blocked by enemies. Now the Saimaa Canal bypasses the Vuoksi and enters the Gulf of Finland in the Bay of Vyborg near

225-786: The administrative center in Keksgolm was established in March 1940 as a part of the Karelian Autonomous Soviet Socialist Republic (Karelian ASSR). On March 31, 1940, the Karelian ASSR was transformed into the Karelo-Finnish Soviet Socialist Republic . On November 24, 1944, Keksgolmsky District was transferred from Karelo-Finnish Soviet Socialist Republic to Leningrad Oblast. On October 1, 1948,

250-470: The 1939-40 Winter War . It was retaken by Finland during the 1941-44 Continuation War , regained by Soviet troops in 1944, and formally ceded to the Soviet Union in 1947. Nearly all of Finnish residents evacuated the area, which was repopulated by Russians , Ukrainians , and Belarusians . Place names were changed in 1948 to remove remaining Finnish names in the district. Keksgolmsky District with

275-492: The Vuoksi through a waterway at Kiviniemi (now Losevo), but as a result of the change, the waterway dried out. In 1857 a channel was dug there, but the stream reversed direction, creating rapids and rendering navigation at Kiviniemi impossible. Since 1857 Suvanto and Taipaleenjoki have constituted the southern branch of the Vuoksi, which has decreased the level of the original northern branch emptying into Ladoga near Kexholm (now Priozersk) by 4 meters (13 ft) and has become

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300-554: The Vuoksi, and connected with the Baltic Sea at Heinjoki , to the east of present-day Vyborg . Ladoga's level gradually sank and the River Neva, originating around 3100–2400 BP, drained its waters into the Gulf of Finland; but the Vuoksi still had a significant direct outflow connection to the Bay of Vyborg , possibly as late as in the 16th or 17th century AD. The connection disappeared due to ongoing land uplift. In 1818,

325-650: The Winter War (1940), the Karelian Isthmus has belonged to Russia and only 13 kilometers (8.1 mi) of the river's length remains in Finland. The major power stations at Tainionkoski and Imatra are on the Finnish side in the city of Imatra . The river's surroundings, including the Korela Fortress (formerly: Käkisalmi ), is a popular resort for Saint Petersburg 's residents. The river

350-512: The district are meat (beef and pork) and milk production, as well as trout farming. The Saint Petersburg – Hiitola railroad crosses the district from south to north passing Sosnovo , Priozersk, and Kuznechnoye . There is passenger service from the Finland Station of Saint Petersburg. Another railroad, connecting Vyborg with Hiitola via Kamennogorsk , serves as a stretch of the border with Vyborgsky District. The road network in

375-578: The district is relatively well-connected and provides access to Vyborg, Sortavala, and Saint Petersburg. In particular, the A129 highway connects Saint Petersburg and Sortavala and runs through Priozersk. Some remains of the pre-1917 Russian culture, including the Korela Fortress in Priozersk and the Konevsky Monastery at Konevets Island, survive. Much of the remnants of the Finnish presence

400-406: The district was renamed Priozersky, and Keksgolm was renamed Priozersk. On February 1, 1963 the district was abolished and merged into Vyborgsky District; on January 12, 1965 it was re-established. On May 16, 1940, Rautovsky District with the administrative center in the suburban settlement of Rautu was also established. It was a part of Leningrad Oblast. On October 1, 1948,

425-464: The district was renamed Sosnovsky and on January 13, 1949, all localities whose names originated in Finnish were renamed using Russian names. In particular, Rautu was renamed Sosnovo . On December 9, 1960, Sosnovsky District was abolished and split between Roshchinsky and Priozersky Districts. Industry in the district is dominated by the treatment of granite , timber production, and food production. The main specializations of agriculture in

450-601: The district. Forests occupy 63% of the area of the district. The territory of the modern district was originally settled by Karelians around the 1st century CE. It was a part of the Kievan Rus' from the 9th to 12th century. After that, it was a part the Novgorod Republic . Most Karelians were converted to the Russian Orthodox faith during Russian rule. Russians built the fortress of Korela , which

475-407: The main stream in terms of water discharge. Since 1857, the old northern distributaries drain only the lower reaches of the Vuoksi basin and are not fed by Lake Saimaa. The northern and southern branches actually belong to two separate river systems, which at times get isolated from each other in dry seasons. The descent between Lake Saimaa and Lake Ladoga is 69 meters (226 ft). The entire run of

500-480: The main stream. Sosnovo, Priozersky District, Leningrad Oblast 60°33′N 30°13′E  /  60.550°N 30.217°E  / 60.550; 30.217 Sosnovo ( Russian : Сосново ; Finnish : Rautu ) is a rural locality (a logging depot settlement) in Priozersky District of Leningrad Oblast , Russia , located on the Karelian Isthmus , and an important railway station of

525-599: The medieval city of Vyborg . During both the Winter and Continuation Wars the river Vuoksi was a major Finnish defensive line against the Soviet advance. The Mannerheim Line and VKT-line were located along the northern shore of its southern armlet. From the Industrial Revolution , power generated from Vuoksi's rapids made the Vuoksi region Finland's industrial center in the late 19th century. Since

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550-483: The river is 162 kilometers (101 mi) via the Priozersk branch, or 150 kilometers (93 mi) via the Taipale (Burnaya) branch. It has a drainage basin of 68,700 square kilometres (26,500 sq mi). For most of its length, the river broadens out to a series of lakes bound together by shorter riverlike connections. One of these lakes, Uusijärvi close to Priozersk, was renamed Ozero Vuoksa ("Lake Vuoksa") by

575-582: Was a nucleus of modern Priozersk . The territory passed hands many times during the 16th and 17th centuries between Russians and Swedish, until it was finally claimed by Russians in 1711 during the Great Northern War . During Swedish rule in the area, the town was known by its Swedish name Kexholm , which in Russian became Keksgolm . In the 18th century, it was a part of Saint Petersburg Governorate , and later of Vyborg Governorate , which in 1812

600-738: Was destroyed. The district is the most popular with tourists part of Karelian Isthmus. The district contains 64 cultural heritage monuments of federal significance (33 of which are in Priozersk) and additionally 70 objects classified as cultural and historical heritage of local significance. The great majority of these monuments belong to the Korela fortress and the Konevets Island. Vuoksi River The Vuoksi ( Russian : Вуокса , historically: "Uzerva"; Karelian : Vuokša ; Finnish : Vuoksi ; Swedish : Vuoksen )

625-521: Was included in the newly created Grand Duchy of Finland as its Viipuri Province . It became part of independent Finland, when the former Grand Duchy declared its independence in December 1917. During the Interwar Period , the location was known by its Finnish and Swedish names; Käkisalmi (Finnish) and Kexholm (Swedish). The area was ceded from Finland to the Soviet Union as a result of

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