The Tannu-Ola mountains (Tuvan

Tuvan language

Tuvan , also known as Tuvinian, Tyvan or Tuvin, is a Turkic language spoken in the Republic of Tuva in south-central Siberia in Russia. The language has borrowed a great number of roots from the Mongolian language and more recently from the Russian language...

: Tangdy-Uula mountains; Mongolian

Mongolian language

The Mongolian language is the official language of Mongolia and the best-known member of the Mongolic language family. The number of speakers across all its dialects may be 5.2 million, including the vast majority of the residents of Mongolia and many of the Mongolian residents of the Inner...

: Тагны уулс, Тagny Uuls) is a mountain range in southern Siberia

Siberia

Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...

, in the Tuva Republic

Tuva

The Tyva Republic , or Tuva , is a federal subject of Russia . It lies in the geographical center of Asia, in southern Siberia. The republic borders with the Altai Republic, the Republic of Khakassia, Krasnoyarsk Krai, Irkutsk Oblast, and the Republic of Buryatia in Russia and with Mongolia to the...

 of Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It extends in an east-west direction and curves along the Mongolia

Mongolia

Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...

n border. Its highest peaks reaches 2,930 m.

Geography

The northern slopes are part of the watershed of the Yenisei River

Yenisei River

Yenisei , also written as Yenisey, is the largest river system flowing to the Arctic Ocean. It is the central of the three great Siberian rivers that flow into the Arctic Ocean...

, facing the western Sayan Mountains

Sayan Mountains

The Sayan Mountains are a mountain range between northwestern Mongolia and southern Siberia, Russia.The Eastern Sayan extends from the Yenisei River at 92° E to the southwest end of Lake Baikal at 106° E...

.
The eastern end touches the large watershed of the Selenge River in Mongolia

Mongolia

Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...

.
The foothills of the southern slopes cross into Mongolian territory. They form the northern limits of a large basin of steppes, which extends south to the Mongolian Altay Mountains

Altay Mountains

The Altai Mountains are a mountain range in East-Central Asia, where Russia, China, Mongolia and Kazakhstan come together, and where the rivers Irtysh and Ob have their sources. The Altai Mountains are known as the original locus of the speakers of Turkic as well as other members of the proposed...

 and includes the salt lake Uvs Nuur

Uvs Nuur

Uvs Lake is a highly saline lake in an endorheic basin - Uvs Nuur Basin in Mongolia with a small part in Russia. It is the largest lake in Mongolia by surface area, covering 3,350 km² at 759 m above sea level....

.
The western end is located near the northern Altay Mountains

Altay Mountains

The Altai Mountains are a mountain range in East-Central Asia, where Russia, China, Mongolia and Kazakhstan come together, and where the rivers Irtysh and Ob have their sources. The Altai Mountains are known as the original locus of the speakers of Turkic as well as other members of the proposed...

  in the Russian Altai Republic

Altai Republic

Altai Republic is a federal subject of Russia . Its capital is the town of Gorno-Altaysk. The area of the republic is . Population: -Geography:...

.

See also

• Tuva Depression
  Tuva Depression
  Tuva Depression is located among mountains of South Central Siberia — Tannu-Ola Mountains, Eastern Sayans and Western Sayans, and the Altay Mountains region, part of a combination of raised lands and depressions....
  
  
• Uvs Nuur Basin
• Ubsunur Hollow Biosphere Reserve
  Ubsunur Hollow Biosphere Reserve
  Ubsunur Hollow Biosphere Preserve is a fragile mountain hollow or depression located on the territorial border of Mongolia and the Republic of Tuva in the Russian Federation among the mountains — Tannu-Ola Mountains, and the Altay Mountains region — part of a combination of raised...