Tabkin Cadi ko Chadi wani babban tabki ne dake a inda ake kira a yanzu dasunansa wato yankin tabkin chadi, wannan tabki yana a arewa maso gabashin Nijeriya ne tsakanin jihar Borno, Kasar chadi, kasar Kamaru da kasar Nijar, kuma tabkin yakasance mai mahimmanci ga alumman dake wannan kasashe dasuke kewaye da tabkin, a inda yake samar da ruwan amfani ga mutane sama da miliyan 30.

Tabkin Chadi
ShrinkingLakeChad-1973-1997-EO.jpg
General information
Height above mean sea level (en) Fassara 280 m
Yawan fili 1,540 km²
Vertical depth (en) Fassara 10.5 m
Volume (en) Fassara 72,000 hm³
Labarin ƙasa
Geographic coordinate system (en) Fassara 13°N 14°E / 13°N 14°E / 13; 14
Kasa Cadi, Kameru, Najeriya da Nijar
Hydrography (en) Fassara
Tributary (en) Fassara
Inflow (en) Fassara
Watershed area (en) Fassara 2,381,635 km²
Drainage basin (en) Fassara Chad Basin (en) Fassara
Hoton tabkin chadi daga sararin samaniya a 1968

Kimanin girman kasan da tabkin keda shi yakai: 1,350 km2 (520 sq mi) a shekara ta 2005 Zurfin tabkin yafara daga: 1.5 m (4 ft 11 in) zuwa matsanaicin zurfin dayakai 11 m (36 ft) sannan tsawon gabar tabkin yakai 650 km (400 mi)