Lake Sukhodolskoye (russian: Суходольское озеро; fi, Suvanto-järvi ) is a narrow 40 km long lake on the

Karelian Isthmus The Karelian Isthmus (russian: Карельский перешеек, Karelsky peresheyek; fi, Karjalankannas; sv, Karelska näset) is the approximately stretch of land, situated between the Gulf of Finland and Lake Ladoga in northwestern ...

located in

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

Leningrad Oblast Leningrad Oblast ( rus, Ленинградская область, Leningradskaya oblast’, lʲɪnʲɪnˈgratskəjə ˈobləsʲtʲ, , ) is a federal subjects of Russia, federal subject of Russia (an oblast). It was established on 1 August 1927, a ...

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 ...

. It is a part of the

Vuoksi River The Vuoksi (russian: Вуокса, historically: "Uzerva"; fi, Vuoksi; sv, Vuoksen) 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 r ...

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 the Wi ...

. 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 (; rus, Ла́дожское о́зеро, r=Ladozhskoye ozero, p=ˈladəʂskəjə ˈozʲɪrə or rus, Ла́дога, r=Ladoga, p=ˈladəɡə, fi, Laatokka arlier in Finnish ''Nevajärvi'' ; vep, Ladog, Ladoganjärv) is a fresh ...

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 gradient, causing an increase in water velocity and turbulence. Rapids are hydrological features between a ''run'' (a smoothly flowing part of a stream) and a ''cascade''. ...

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 (russian: Приозе́рск; fi, Käkisalmi; sv, Kexholm) 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 a ...

by 4 m.

Archaeology

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

Stone Age The Stone Age was a broad prehistoric period during which stone was widely used to make tools with an edge, a point, or a percussion surface. The period lasted for roughly 3.4 million years, and ended between 4,000 BC and 2,000 BC, with t ...

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