The At-Bashy Range () is a

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have aris ...

in the south part of the internal

Tien-Shan The Tian Shan, also known as the Tengri Tagh or Tengir-Too, meaning the "Mountains of God/Heaven", is a large system of mountain ranges in Central Asia. The highest peak is Jengish Chokusu at high and located in Kyrgyzstan. Its lowest point is ...

. The range is located in

At-Bashy District At-Bashy () is a district of Naryn Region in Kyrgyzstan established in its present borders in 1930. The administrative center is at At-Bashy. Its area is , and its resident population was 55,771 in 2021. The mountain lake Chatyr-Kul lies in the s ...

of the

Naryn Region Naryn Region is the largest region of Kyrgyzstan. It is located in the east of the country and borders with Chüy Region in the north, Issyk-Kul Region in the northeast, Xinjiang Uyghur Autonomous Region of China in the southeast, Osh Region i ...

Kyrgyzstan Kyrgyzstan, officially the Kyrgyz Republic, is a landlocked country in Central Asia lying in the Tian Shan and Pamir Mountains, Pamir mountain ranges. Bishkek is the Capital city, capital and List of cities in Kyrgyzstan, largest city. Kyrgyz ...

. The length of the range is and the width of the range is . The highest parts of the At-Bashy Range, with elevations of more than , are in its middle part while lower elevated parts, below , are in the west and in the east. The average height is around with the highest point of . The central crest area of the ridge is above the snowline. The slopes are cut by short deep transverse gorges with frequent occurrence of glaciers. The range is composed of

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

and

schist Schist ( ) is a medium-grained metamorphic rock generally derived from fine-grained sedimentary rock, like shale. It shows pronounced ''schistosity'' (named for the rock). This means that the rock is composed of mineral grains easily seen with a l ...

Paleozoic The Paleozoic ( , , ; or Palaeozoic) Era is the first of three Era (geology), geological eras of the Phanerozoic Eon. Beginning 538.8 million years ago (Ma), it succeeds the Neoproterozoic (the last era of the Proterozoic Eon) and ends 251.9 Ma a ...

age. The landscapes at southern slopes are: Alpian and sub-Alpian at , and

Alpine tundra Alpine tundra is a type of natural region or biome that does not contain trees because it is at high elevation, with an associated harsh climate. As the latitude of a location approaches the poles, the threshold elevation for alpine tundra gets ...

at ; at northern slopes: mountain steppes at , mountain meadows at , sub-Alpian and Alpian at , and

tundra In physical geography, a tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: #Arctic, Arctic, Alpine tundra, Alpine, and #Antarctic ...

at ; and at western slopes: stony, steppe, sub-Alpian and tundra. Several rivers taking their rise from the south slopes of the At-Bashy Range form Aksay river, right tributary of Kakshaal River (

Toshkan River The Toshkan (, ) is a river in the Tien Shan mountains in the border area between China and Kyrgyzstan. It is long, and has a drainage basin of in Kyrgyzstan. The Toshkan has its sources in the At-Bashy Range and Kakshaal Too south of the Kyrgy ...

). Among those rivers are Keng-Suu, Kosh Kara-Tash, Muzdabas, Tuyuk Bogoshtu, Jol Bogoshtu, Kashka-Suu and Tuyz Ashuu. Kara-Koyun River, left tributary of

At-Bashy At-Bashy (Kyrgyz language, Kyrgyz: Ат-Башы) is a village in the Naryn Region of Kyrgyzstan, about 35km southwest of Naryn on the main highway to the Torugart Pass. It is the administrative seat of At-Bashy District. The At-Bashy Range to the ...

, rises from the northern slopes of the At-Bash Range.

References

Mountain ranges of Kyrgyzstan {{Kyrgyzstan-geo-stub