GPS coordinates of the river at the exit of the gorge - 44.210511, 79.914207
Usek river originates on the southern slopes of Toksanbay and Tyshkantau ridges of Jungar (Zhetisu) Alatau. The river consists of Large Usek, Medium and Small Usek tributaries, flows in a southerly direction to the riverbed of Ile. The length of the river from the source of Large Usek to its confluence in wetland Usek lake in Ile Valley is 115 km. Usek waters, coming out of the mountains, are sorted out for irrigation and domestic purposes of Zharkent town and villages along the river. It’s also lost due to leakage in its own deposits in Ile valley, causing severe waterlogging and then lost in Usek lake. Usek does not reach the channel of Ile.
All sources of Usek river flow down from Toksanbay ridge and only the rivers, flowing from the northern slopes of Tyshkantau ridge, drain in Large Usek river. Toksanbay ridge is the watershed between the sources of Usek river and the source of Koksu – Kazan river. Gorge of Usek river is characterized by a large deep gorges in the midlands. The difference in height from the foot up to the crests of the watershed ranges from 1200 to 1500 meters. Gorges are also distinguished by V-shaped form and a minor width, i.e. canyon-like, which makes them difficult to access. valley of river widens Only after the confluence of Usek river with Small Usek river and then goes into the valley, where Zharkent town (Panfilov) is situated.
Area of Usek river was the first area, where development of Jungar (Zhetisu) Alatau, as a tourist facility, began. Sport expedition of Kazakhstan Republican Club of climbers and tourists was organized in 1960. 35 vertices and 12 passes in Toksanbay and Tyshkantau ridges were conquered as part of the expedition. The sports group of tourists CIS began to visit the area in subsequent years.
Toksanbay and Tyshkantau ridges and gorge of Usek river are still not fully utilized as tourist facilities, and are waiting for their conquerors.