The Northern Ridge, Northern Uvaly, Severnyye Uvaly (russian: Северные Увалы), is the chain of hills in the northern part of the

East European Plain The East European Plain (also called the Russian Plain, "Extending from eastern Poland through the entire European Russia to the Ural Mountaina, the ''East European Plain'' encompasses all of the Baltic states and Belarus, nearly all of Ukraine, 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 ...

. The Northern Ridge divides the river basins of the

Northern Dvina River The Northern Dvina (russian: Се́верная Двина́, ; kv, Вы́нва / Výnva) is a river in northern Russia flowing through the Vologda Oblast and Arkhangelsk Oblast into the Dvina Bay of the White Sea. Along with the Pechora River ...

(north) and the

Volga River The Volga (; russian: Во́лга, a=Ru-Волга.ogg, p=ˈvoɫɡə) is the List of rivers of Europe#Rivers of Europe by length, longest river in Europe. Situated in Russia, it flows through Central Russia to Southern Russia and into the Cas ...

(south). The chain is located roughly in the west–east direction, between the source of the

Kostroma River The Kostroma (russian: Кострома́) is a river in the European part of Russia. It flows through the Kostroma and Yaroslavl Oblasts, and becomes a left tributary of the Volga, which it enters at the Gorky Reservoir, at the city of Kostroma ...

and the sources of the

Vychegda River , image = VytchegdaRiver.jpg , image_size = , image_caption = The lower course of the Vychegda , source1_location = , mouth = Northern Dvina , mouth_coordinates = , progression = , sub ...

and the

Kama River The Kama (russian: Ка́ма, ; tt-Cyrl, Чулман, ''Çulman''; udm, Кам) is a long«Река � ...

. The Northern Ridge is approximately 200 km long. Roughly, the chain is limited from the north by the valleys of the

Sukhona The Sukhona (russian: Су́хона) is a river in the European part of Russia, a tributary of the Northern Dvina. The course of the Sukhona lies in Ust-Kubinsky, Sokolsky, Mezhdurechensky, Totemsky, Tarnogsky, Nyuksensky, and Velikoustyug ...

and the

Vychegda , image = VytchegdaRiver.jpg , image_size = , image_caption = The lower course of the Vychegda , source1_location = , mouth = Northern Dvina , mouth_coordinates = , progression = , sub ...

, and from the south by the course of the Volga in the west and by the course of the Kama in the east. Administratively, the Northern Ridge is located in

Kostroma Kostroma ( rus, Кострома́, p=kəstrɐˈma) is a historic city and the administrative center of Kostroma Oblast, Russia. A part of the Golden Ring of Russian cities, it is located at the confluence of the rivers Volga and Kostroma. Popu ...

Vologda Vologda ( rus, Вологда, p=ˈvoləɡdə) is a types of inhabited localities in Russia, city and the administrative center of Vologda Oblast, Russia, located on the river Vologda (river), Vologda within the watershed of the Northern Dvina. ...

, Kirov Oblasts, the

Komi Republic The Komi Republic (russian: Республика Коми; kv, Коми Республика), sometimes simply referred to as Komi, is a republic of Russia located in Eastern Europe. Its capital is the city of Syktyvkar. The population of the ...

, and

Perm Krai Perm Krai (russian: Пе́рмский край, r=Permsky kray, p=ˈpʲɛrmskʲɪj ˈkraj, ''Permsky krai'', , ''Perem lador'') is a federal subject of Russia (a krai) that came into existence on December 1, 2005 as a result of the 2004 refe ...

. The landscape of the Northern Ridge originates from the

Ice Age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gree ...

and has the glacial nature. The hills were polished by the glacier and currently achieve the height of (in Babushkinsky District, Vologda Oblast). The rivers flow in deep

ravine A ravine is a landform that is narrower than a canyon and is often the product of streambank erosion.Yug, the Luza, the

Unzha The Unzha (russian: Унжа) is a river in the Vologda Oblast and Kostroma Oblast in Russia, a tributary of the Volga. It is long, and its basin covers .

, the Sysola, and the

Moloma The Moloma () is a river in Kirov Oblast in Russia, a right tributary of the Vyatka. It is long, and its drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth ...

External links

* {{cite book, title=Северные Увалы, url=http://bse.sci-lib.com/article100555.html, publisher=Great Soviet Encyclopedia Mountain ranges of Russia Landforms of Kostroma Oblast Landforms of Vologda Oblast Landforms of Kirov Oblast Landforms of the Komi Republic Landforms of Perm Krai