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Lake Alakol; north at top right
|Location||Almaty and East Kazakhstan Province, Kazakhstan|
|Basin countries||Kazakhstan, China|
|Surface area||2,650 km²|
|Max. depth||54 m|
|Water volume||58.6 km³|
|Surface elevation||347 m|
The lake is the northwest extension of the region known as the Dzhungarian Gate (Alataw Pass), a narrow valley connects the southern uplands of Kazakhstan with arid northwest China. The Dzhungarian Gate is a fault-bounded valley (see vertical line on the image along the southwest side of the lake) where the elevation of the valley floor is between 350 and 450 m above sea level and the peaks of the Dzhungarsky Alatau range (lower left) reach 4,463 m (14,642 ft) above sea level. Two well-defined alluvial fans are visible where mountain streams cut through the faulted landscape to the southwest of the lake.
The surface area of the lake is 2,650 km2 (1,020 sq mi). It is 54 m (177 ft) deep at its maximum depth, with a volume of 58.6 km³. A swampy lowland (just above the center of the photo) connects the northwest end of Lake Alakol with thr Kosharkol and Sasykkol (the two lighter-colored lakes in the photo). From the southern tip of Lake Alakol a narrow swampy valley connects it to the freshwater Lake Zhalanashkol (at the bottom edge of the picture).
Alakol Lake, a salt lake, has a drainage basin of 65,200 km2 (25,200 sq mi) and receives water periodically from several streams flowing from the Tarbagatai Mountains. Among them are the southerly draining Urdzhar River at the north end of the lake, and the Emil River, on the lake's north-eastern shore. During seasonal floods, surplus water drains from Lake Zhalanashkol to Lake Alakol along the 10-km long slough called Zhaman-Otkel (Russian: Жаман-Откель).
The Alakol State Sanctuary has been created to protect the area for the lake is an important breeding and nesting ground for various wetland birds, notably the very rare Relict Gull. Piski Island has flocks of flamingo, and 40 species of other birds.
The largest island in Alakol Lake is Ul'kun-Aral-Tyube. It is located in the center of the lake.
The Bronze Age Alakul culture is situated in the general region of the lake. In the middle of the 1st century BCE the Lake Alakol marked an eastern end of the Kangar state, shown on Chinese maps of the Western territory.