{{About|the river named Mayo Kébbi|the former prefecture of Chad|Mayo-Kébbi Prefecture}} {{More citations needed|date=January 2021}} {{Infobox river | name = Mayo Kébbi | image = | image_size = | image_alt = | image_caption = | map = Benuerivermap.png | map_size = 300 | map_alt = | map_caption = Catchment of the Bénoué River | source1_location = | mouth_location = in the Bénoué River | progression = | subdivision_type1 = Countries | subdivision_name1 = {{hlist|Chad|Cameroon}} | location = | length = | source1_elevation = | mouth_elevation = | discharge1_avg = | basin_size = | river_system = [[Niger River]] | tributaries_left = Mayo Louti, Mayo Oulu | tributaries_right = }}

The '''Mayo Kébbi''' is a [[river]] in [[Central Africa|Central]] and [[West Africa]]. The river rises in [[Chad]], then flows west into the [[Bénoué River]].<ref>{{cite web | url=https://www.globalforestwatch.org/dashboards/country/TCD/14/?category=forest-change&location=WyJjb3VudHJ5IiwiVENEIiwiMTQiXQ%3D%3D&map=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&showMap=true&widget=treeLossRanked | title=Mayo-Kebbi Est, Chad Deforestation Rates & Statistics &#124; GFW }}</ref> [[Mayo-Kébbi Prefecture]] in [[Chad]] is named for it.{{Clarification needed|reason=Phrase isn't clear|date=May 2025}} The Mayo Kébbi is the major outlet for [[Lake Fianga]], shared between [[Cameroon]] and [[Chad]].<ref>{{cite web | url=https://www.tripadvisor.com/Tourism-g3657391-Mayo_Kebbi_Est_Region-Vacations.html | title=Mayo-Kebbi Est Region 2023: Best Places to Visit - Tripadvisor }}</ref>

In the past, the Mayo Kébbi served as the outlet of the [[Lake Chad|paleolake Mega-Chad]].<ref>Leblanc et al. (2006). "Reconstruction of megalake Chad using shuttle radar topographic mission data". ''Palaeogeography, palaeoclimatology, palaeoecology'' 239, pp. 16–27 {{ISSN|0031-0182}} 1872-616X</ref> The presence of [[African manatee]]s in the inflows of [[Lake Chad]] is evidence of this, since the manatee is otherwise only in rivers connected to the [[Atlantic Ocean]] (i.e. it is not possible that it evolved separately in an enclosed Chad Basin).<ref>{{cite web | url=https://www.tripadvisor.com/Tourism-g3657436-Mayo_Kebbi_Ouest_Region-Vacations.html | title=Mayo-Kebbi Ouest Region: All You Must Know Before You Go (2024) - Tripadvisor }}</ref> The grand scale of the Mayo Kébbi river course is also evidence of earlier overflow from Mega-Chad; the upstream catchment of today is far too small to have dug such a large channel.<ref>{{cite web | url=https://www.researchgate.net/figure/Map-showing-the-location-of-Mayo-Kebbi-Ouest-region-provided-by-Google-Map_fig1_326300461 | title=Figure 1. Map showing the location of Mayo-Kebbi Ouest region (Provided }}</ref>

== Pollution == According to research carried out in 2017, the Mayo Kébbi river is being polluted by heavy metals such as: Cu, Cd, Pb, Fe, Mn, As, Zn, Ni and Cr and some sediments are being dropped in the river of which some are very toxic to the lives of the aquatic animals.<ref>{{Cite journal |last1=Tchakounté |first1=Jacqueline |last2=Eglinger |first2=Aurélien |last3=Toteu |first3=Sadrak Félix |last4=Zeh |first4=Armin |last5=Nkoumbou |first5=Charles |last6=Mvondo-Ondoa |first6=Joseph |last7=Penaye |first7=Joseph |last8=de Wit |first8=Martin |last9=Barbey |first9=Pierre |date=2017-09-01 |title=The Adamawa-Yadé domain, a piece of Archaean crust in the Neoproterozoic Central African Orogenic belt (Bafia area, Cameroon) |url=https://www.sciencedirect.com/science/article/pii/S0301926816306155 |journal=Precambrian Research |volume=299 |pages=210–229 |doi=10.1016/j.precamres.2017.07.001 |bibcode=2017PreR..299..210T |issn=0301-9268|url-access=subscription }}</ref>

==References== {{Reflist}}

{{Rivers of Cameroon}} {{Authority control}}

{{Coord|9|18|N|13|33|E|display=title|region:CM_type:river_source:GNS-enwiki}}

{{DEFAULTSORT:Mayo Kebbi}} [[Category:Rivers of Cameroon]] [[Category:Rivers of Chad]] [[Category:Benue River]] [[Category:Lake Fianga]] [[Category:International rivers of Africa]]

{{Chad-river-stub}} {{Cameroon-river-stub}}