The Mezha () is a river in Nelidovsky, Zharkovsky, and Zapadnodvinsky Districts of

Tver Oblast Tver Oblast (, ) is a federal subject of Russia (an oblast). Its administrative center is the city of Tver. From 1935 to 1990, it was known as Kalinin Oblast (). Population: Tver Oblast is a region of lakes, such as Seliger and Brosno. Much o ...

and

Velizhsky District Velizhsky District () is an administrativeResolution #261 and municipalLaw #88-z district (raion), one of the administrative divisions of Smolensk Oblast, twenty-five in Smolensk Oblast, Russia. It is located in the northwest of the oblast and bord ...

Smolensk Oblast Smolensk Oblast (), informally also called Smolenshchina (), is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative centre is the types of inhabited localities in Russia, city of Smolensk. As of the 2021 Russ ...

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 flows out of the

Valdai Hills The Valdai Hills, sometimes shortened to Valdai, are an upland region in the north-west of central European Russia running north–south, about midway between Saint Petersburg and Moscow, spanning Leningrad, Novgorod, Tver, Pskov, and Smolensk ...

and continues west into the

Daugava The Daugava ( ), also known as the Western Dvina or the Väina River, is a large river rising in the Valdai Hills of Russia that flows through Belarus and Latvia into the Gulf of Riga of the Baltic Sea. The Daugava rises close to the source of ...

(Western Dvina). The town of

Nelidovo Nelidovo () is the name of several inhabited localities in Russia. ;Urban localities * Nelidovo, Nelidovsky District, Tver Oblast, a town of district significance in Nelidovsky District of Tver Oblast ;Rural localities *Nelidovo, Ivanovo Oblast, ...

and the urban-type settlement of Zharkovsky are located along the Mezha. The Mezha is long, and drains a basin of . Its main tributaries are the Bereza, the Luchesa, the Obsha, and the Yelsha (all left). The source of the Mezha is in the north-western part of Nelidovsky District, within the Central Forest Nature Reserve, a highly protected natural area. It flows south, downstream of the town of Nelidovo, turns southwest and crosses into Zharkovsky District. It accepts the Obsha from the left and turns west. Downstream of the urban-type settlement of Zharkovsky it turns northwest. Further downstream, the Mezha flows southwest, making the border between the Zharkovsky and Zapadnodvinsky districts, and then west making the border between Tver and Smolensk Oblasts. The mouth of the Mezha is the triple point where Tver, Smolensk, and

Pskov Oblast Pskov Oblast () is a federal subjects of Russia, federal subject of Russia (an oblast), located in the west of the country. Its administrative center is the Classification of inhabited localities in Russia, city of Pskov. As of the Russian Census ...

s meet. The

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

of the Mezha includes the whole area of Belsky District of Tver Oblast, the major parts of Nelidovsky and Zharkovsky Districts, the western part of Oleninsky District, also of Tver Oblast, and the eastern part of Zapadnodvinsky District, as well as the western part of

Sychyovsky District Sychyovsky District () is an administrativeResolution #261 and municipalLaw #106-z district (raion), one of the administrative divisions of Smolensk Oblast, twenty-five in Smolensk Oblast, Russia. It is located in the northeast of the oblast. The a ...

and northern parts of Kholm-Zhirkovsky, Dukhovshchinsky, Demisovsky, and Velizhsky Districts of Smolensk Oblast.

References

{{Rivers of Russia Rivers of Tver Oblast Rivers of Smolensk Oblast