Seleznevka ( fin. Rakkolanjoki ) is a river in the Vyborg district of the Leningrad Region and Finland . The length is 53 km (in Russian territory - 20 km), the catchment area is 623 km²  , the average slope is 0.94 m / km (1.27 m / km in the Russian part). The source is near the Finnish city of Lappeenranta , the mouth is in the Vyborg gulf of the Gulf of Finland .
|• Location||Near the town of Lappeenranta ( Finland )|
|• Height||62 m|
|• Location||The Gulf of Finland|
|• Height||0 m|
|River slope||0.94 m / km|
|Water system||Baltic Sea|
Water Registry Data
According to the state water register of Russia, it belongs to the Baltic Basin District , the water management section of the river is the Rivers and lakes of the Gulf of Finland basin from the Russian border with Finland to the northern border of the r. The Neva, the river sub-basin of the river - the Neva and the rivers of the Ladoga Lake basin (without the sub-basin Svir and Volkhov, the Russian part of the basins). It belongs to the river basin of the Neva River (including the basins of the rivers Onega and Ladoga)  .
The object code in the state water register is 01040300512102000008041  .
- Surface water resources of the USSR: Hydrological knowledge. T. 2. Karelia and the North-West / ed. E. N. Tarakanova. - L .: Gidrometeoizdat, 1965. - 700 p.
- State Water Register . Seleznevka . textual.ru . Ministry of Environment of Russia (March 29, 2009). The appeal date was December 20, 2018. Archived March 29, 2009.