Marimbona
| Marimbona | |
|---|---|
| Location | |
| Country | Madagascar | 
| Region | Analanjirofo | 
| City | Soanierana Ivongo | 
| Physical characteristics | |
| Source | |
| • location | Andilamena, Alaotra Mangoro | 
| Mouth | Indian Ocean | 
|  • location | Soanierana Ivongo, Analanjirofo | 
|  • coordinates | 16°54′S 49°35′E / 16.900°S 49.583°E | 
|  • elevation | 0 m (0 ft) | 
| Basin size | 1,495 km2 (577 sq mi)[1] | 
| Discharge | |
| • location | RN 5 | 
| Basin features | |
| Tributaries | |
| • right | Andasibe river, Ambohangy, Fotsialana, Sahatiana, Sahasarotra | 
The Marimbona river is located in northern Madagascar and crosses the Route Nationale 5 near Soanierana Ivongo. It has its springs near Andilamena[2] (Alaotra Mangoro), forms the southern border of the Ambatovaky Reserve, passes Andapafito and flows into the Indian Ocean north of Soanierana Ivongo.