The Mahavavy or Mahavavy-Nord River is a river of northern

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

in the region of Diana. It has its sources at the

Maromokotra Maromokotra is a rural municipality in northern Madagascar. It is situated at the unpaved Route nationale 5a halfway between Ambilobe (80km) and Daraina, near the Saharenana River. It belongs to the district of Vohemar, which is a part of the S ...

peak in the

Tsaratanana Massif Madagascar is a large island in the Indian Ocean off the eastern coast of southern Africa, east of Mozambique. It has a total area of with of land and of water. Madagascar is the fourth largest island and the 2nd largest island country in th ...

and flows north to the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ...

. The main city along the river is

Ambilobe Ambilobe is an urban municipality in Madagascar. It belongs to the district of Ambilobe, which is a part of Diana Region. The town is the capital of Ambilobe district, and according to 2001 census the population was approximately 56,000. Ge ...

. It crosses a fertile plain and the waters are used for the irrigation of 5500 ha, of mostly,

cotton Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus ''Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor perce ...

plantations. Its delta covers 500 km.Monographie de la Région Diana

References

Rivers of Diana Region Rivers of Madagascar {{Madagascar-river-stub