What is Lake Turkana?
{{Infobox lake | lake_name = Lake Turkana<br />Jade Sea | image_lake = Lake_turkana.jpg | caption_lake = | image_bathymetry = | caption_bathymetry = | location = | coords = {{coord|3|35|N|36|7|E|type:waterbody|display=inline,title}} | type = [[Salinity|Saline]], [[monomictic]], [[alkaline]], [[endorheic]] | inflow = [[Omo River]], [[Turkwel River]], [[Kerio River]] | outflow = [[Evaporation]] | catchment = 130,860 km² | basin_countries = Ethiopia, Kenya | length = 290 km | width = {{convert|32|km|abbr=on}} | area = {{convert|6405|km2|abbr=on}} | depth = 30.2 m | max-depth = 109 m | volume = 203.6 km³ | residence_time = | shore = | elevation = 360.4 m | frozen = | reference = }} [[File:Kenya-relief-map-towns.jpg |right |thumb |upright=1.4 |Map of [[Kenya]], showing '''Lake Turkana''' (''upper left'') crossing north into [[Ethiopia]].]] [[Image:LakeTurkanaSouthIsland.jpg|thumb|right|250px|Lake Turkana seen from the South Island.]] '''Lake Turkana''', formerly known as '''Lake Rudolf''', is a lake in the [[Great Rift Valley]] in northwest [[Kenya]]. Its far northern end crosses into [[Ethiopia]].<ref>The boundary between Ethiopia and Kenya has been a contentious rational distinction. A brief consideration of the topic can be found in the State Department document, [http://www.law.fsu.edu/library/collection/limitsinseas/IBS152.pdf Ethiopia - Kenya Boundary] {{Webarchive|url=https://web.archive.org/web/20090318063413/http://www.law.fsu.edu/library/collection/limitsinseas/IBS152.pdf |date=2009-03-18 }}</ref> It is the world's largest permanent [[desert]] lake and the world's largest [[alkaline]] lake. By volume it is the world's fourth-largest salt lake after the [[Caspian Sea]], [[Issyk-Kul Lake]] and the (shrinking) [[Aral Sea]]. Among all lakes, it ranks 24th in area. The water is drinkable, but not