Lake Sukhodolskoye (; ) is a narrow 40 km long lake on the

Karelian Isthmus The Karelian Isthmus (; ; ) is the approximately stretch of land situated between the Gulf of Finland and Lake Ladoga in northwestern Russia, to the north of the River Neva. Its northwestern boundary is a line from the Bay of Vyborg to the we ...

located in

Priozersky District Priozersky District () is an administrativeOblast Law #32-oz and municipalLaw #50-oz district (raion), one of the administrative divisions of Leningrad Oblast, seventeen in Leningrad Oblast, Russia. It is located in the northwest of the oblast and ...

Leningrad Oblast Leningrad Oblast (, ; ; ) is a federal subjects of Russia, federal subject of Russia (an oblast). The oblast has an area of and a population of 2,000,997 (2021 Russian census, 2021 Census); up from 1,716,868 recorded in the 2010 Russian census ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. It is a part of the

Vuoksi River The Vuoksi (, historically: "Uzerva"; ; ; ) 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 ...

basin, constituting its southern armlet, and drained by

Burnaya River The Burnaya (, ) is a young rapid river in Priozersky District of Leningrad Oblast, Russia, on the Karelian Isthmus, which emerged in 1818. It flows from Lake Sukhodolskoye to Lake Ladoga and is a part of Vuoksi River drainage basin. Before th ...

. Originally waters of the lake flowed into the Vuoksi through a waterway at Kiviniemi. However, in 1818 the channel that had been dug to drain spring flood waters from the lake into

Lake Ladoga Lake Ladoga is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg. It is the largest lake located entirely in Europe, the second largest lake in Russia after Lake ...

unexpectedly turned into Taipaleenjoki (Burnaya River), which started draining the lake itself and decreased its level by 7 m. The Kiviniemi waterway dried out. In 1857 a channel was dug there, but the stream reversed direction, revealed

rapids Rapids are sections of a river where the river bed has a relatively steep stream gradient, gradient, causing an increase in water velocity and turbulence. Flow, gradient, constriction, and obstacles are four factors that are needed for a rapid t ...

and rendered navigation at Kiviniemi impossible. Since 1857 Lake Sukhodolskoye and Burnaya River have constituted the southern armlet of Vuoksi River, which has decreased the level of the original northern armlet flowing through

Priozersk Priozersk (; ; ) is a town and the administrative center of Priozersky District in Leningrad Oblast, Russia, located at the northwestern shore of Lake Ladoga, at the estuary of the northern armlet of the Vuoksi River on the Karelian Isthmus. It i ...

by 4 m.

Archaeology

In the late 19th and early 20th centuries, stray finds of

Stone Age The Stone Age was a broad prehistory, prehistoric period during which Rock (geology), stone was widely used to make stone tools with an edge, a point, or a percussion surface. The period lasted for roughly 3.4 million years and ended b ...

artifacts were found on the shores of the lake. Further exploration revealed 190 finds from the shores of the lake and another fifty from the exposed bottom of the lake, including stone tools such as axes and adzes. Due to the large number of stone tools found in one place, it is believed that they were deposited there deliberately, as seen at other Stone Age sites in northern Europe and Russia.

References

{{Reflist Sukhodolskoye Karelian Isthmus LSukhodolskoye