Mbondomako is a small village located at approximately 7 km in the South-west of the town of Dongou in République of Congo (Congo-Brazzaville). This village owes its existence in Tangassi, a lake of 270 ha considered full of fish, discovered at the 20th century by certain Mossimbi. The population of MBondomako is of approximately 40 people (2007).

The families originating in MBondomako are: Bikila, Bokanga, Bolanga, Élongo, Mboula, Mossimbi, Mokèlè, Molongué, Mouzombo and Mozoba.

Since end of the year 90, the lake Tangassi is threatened by the fern of water (Salvinia molesta).