{{Short description|Lake in Kazakhstan}} {{Infobox body of water | name = Zholdybay | other_name = Жолдыбай | image = Lake Zholdybay 2022-06-09 Sentinel-2 L2A True color.jpg | caption = Sentinel-2 image of the lake | image_bathymetry = | caption_bathymetry = | location = Kazakh Uplands | part_of = Kokshetau Lakes | coords = {{coord|53|23|49|N|68|57|59|E|type:waterbody_region:RU|display=inline,title}} | pushpin_map = Kazakhstan | type = endorheic | inflow = Saryozek | outflow = | catchment = | basin_countries = Kazakhstan | length = {{convert|6.8|km|sp=us}} | width = {{convert|5|km|sp=us}} | area = {{convert|25.9|sqkm|sp=us}} | depth = | max-depth = | volume = | residence_time = UTC+6 | shore = | elevation = {{convert|233|m|sp=us}} | islands = | cities = }} '''Zholdybay''' ({{langx|kk|Жолдыбай}}; {{langx|ru|Жолдыбай}}) is a lake in the Akmola Region, Kazakhstan.<ref name="STM">{{cite web|url=https://maps.vlasenko.net/smtm1000/n-42.jpg|title=N-42 Topographic Chart (in Russian)|access-date=15 January 2023}}</ref>
The lake is less than {{convert|1|km|sp=us}} north of Bulak village. Administratively it is part of the Kokshetau City Administration. Zholdybay is used for watering local cattle in the spring.<ref name="GЕ"/><ref name="KE">''ATAMEKEN: Geographical Encyclopedia.'' / General ed. B. O. Jacob. - Almaty: "Kazakh Encyclopedia", 2011. - 648 pages. ISBN 9965-893-70-5</ref>
==Geography== Zholdybay lies off to the north of the Kokshetau Lakes and is part of the Ishim basin. Its maximum length is {{convert|6.8|km|sp=us}}. The lakeshores are flat and gently sloping, except for the southern and eastern shores where they are rocky, rising to a height of {{convert|1.5|m|sp=us}} to {{convert|2.5|m|sp=us}}. Along the shore of the lake there is a wide strip of black silt smelling of hydrogen sulfide.<ref name="GSE">[https://www.booksite.ru/fulltext/1/001/008/038/887.htm Желдубай]; ''Great Soviet Encyclopedia'' in 30 vols. — Ch. ed. A.M. Prokhorov. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978. (in Russian)</ref>
The Saryozek river flows into the lake from the west. The water of the lake is fresh or slightly brackish. Zholdybay freezes in early November and thaws in late April. The smaller Lake Kopa lies about {{convert|20|km|sp=us}} to the ESE.<ref name="GЕ">Google Earth</ref><ref name="STM"/>
==See also== *List of lakes of Kazakhstan
==References== {{Reflist}}
==External links== *[http://parkburabay.kz/ Burabay National Park] (in Russian) {{Lakes of Kazakhstan}}
Category:Lakes of Akmola Region Category:Kazakh Uplands