The Marimbona river is located in northern

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

and crosses the Route Nationale 5 near Soanierana Ivongo. It has its springs near

Andilamena Andilamena is a rural commune in Madagascar. It belongs to the district of Andilamena, which is a part of Alaotra-Mangoro Region. The population of the commune was 37,229 in 2018. In addition to primary schooling the town offers secondary educat ...

CIRAD
/ref> ( Alaotra Mangoro), forms the southern border of the

Ambatovaky Reserve Ambatovaky Special Reserve is a tropical rainforest and wildlife reserve in the north-east of Madagascar (). It is designated by Bird Life International as an Important Bird Area for the large number of endemic species of birds. Geography This r ...

, passes Andapafito and flows into the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

north of Soanierana Ivongo.

References

Rivers of Madagascar Rivers of Analanjirofo Rivers of Alaotra-Mangoro {{Madagascar-river-stub