Fergana Range

The Fergana Range (, "Ferğana tó qırqası/Fergana too kyrkasy", فەرعانا توو قىرقاسى), also known as Ferganskiy Khrebet (Феранский Хребет) "Ferganskij Hrebet" in Russian, meaning “Ferghana Mountain” in English) is a mountain range of the Tian Shan in the Kyrgyz Republic. The length of the range is 206 km, and the average height is 3600 m above sea level. The highest Mountain is 4893 m ASL.
Geography.
The Fergana Range stretches from north-west to south-east, separating the Fergana Valley and the inner Tian Shan. The south-east section of the range is higher. It joins the Torugart Ridge and the Alaykuu Ridge via the Seok Pass. The South-west slope is long and low-sloped, the north-east - short and steep. Mountain ranges southwest are denoted by collective term: Pamir-Alay system.
Geology.
The Fergana Range is composed of schist, sandstone, limestone, and other sedimentary metamorphic formations ruptured by intrusions of gabbro and diabase.