World Rivers and Mountains

One source for UPSC

Continent
Feature
Exam
All ranges

Asia · Young fold

Tian Shan

Countries
West to east: Uzbekistan, Kyrgyzstan, Kazakhstan and China.
Length
About 2,500 km. Exam-safe figure.
Orientation
East–west.
Mountain type
Young fold
Plates
Reactivated by India–Eurasia compression, far from the suture.
Highest peak
Jengish Chokusu (Pobeda / Tomur), 7,439 m, Kyrgyzstan–China.
Rivers that rise here
Naryn (head of the Syr Darya), Ili (to Lake Balkhash), and streams toward the Tarim. These are inland systems.
Climate and rain shadow
Glaciers feed the oasis rivers of Central Asia. The range walls off moisture; the basins on either side are dry.

Prelims ask

Four countries, east–west, Jengish Chokusu. An inland-drainage range.

Mains use

Example of a young, reactivated east–west range tied to interior basins rather than a coastal margin.