Kalatuz (Kazakh: Қалатұз) is a salt lake in Akkuly District, Pavlodar Region, Kazakhstan.^[1][2]

Quick Facts Location, Coordinates ...

Kalatuz
Қалатұз
Sentinel-2 picture of the lake in March
Kalatuz
Location	Kulunda Plain
Coordinates	51°52′37″N 77°29′24″E
Type	Salt lake
Catchment area	85 square kilometers (33 sq mi)
Basin countries	Kazakhstan
Max. length	3.9 kilometers (2.4 mi)
Max. width	2.4 kilometers (1.5 mi)
Surface area	8.2 square kilometers (3.2 sq mi)
Average depth	2.7 meters (8 ft 10 in)
Water volume	0.0138 cubic kilometers (0.0033 cu mi)
Residence time	UTC+6
Shore length1	12.2 meters (40 ft)
Surface elevation	102 meters (335 ft)
Islands	none
1 Shore length is not a well-defined measure.

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The lake lies 47 kilometers (29 mi) to the NNW of Akkuly, the district capital, and about 55 kilometers (34 mi) southeast of Pavlodar, the regional capital. The lake water is not suitable for watering livestock.^[3][4]

Kalatuz is part of the Irtysh basin. It lies in a tectonic depression of the Kulunda Plain close to the Irtysh, only 4 kilometers (2.5 mi) northeast from its channel. It is located about 46 kilometers (29 mi) to the SSW of lake Maraldy and 30 kilometers (19 mi) to the WNW of lake Borly.^[3]

The shores are mostly sloping and on the northern and southern sides there are sections with up to 6 meters (20 ft) high cliffs. Several small rivulets flow into the lake, but there is no outflow. The lake does not freeze in winter owing to high salinity.^[5][3][1][4]

Lake Kalatuz is surrounded by sandy soil with steppe vegetation.^[4]

• List of lakes of Kazakhstan