The Mananara River is one of the main rivers in eastern
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 ...
.
Its mouth is located at 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), ...
near the city of
Vangaindrano
Vangaindrano is a town and a district in Atsimo-Atsinanana Region, Madagascar with a population of 38,537 (2018).
Geography
The town is near the mouth of the Mananara River at the southern part of the east coast.
It's connected to the north by Ro ...
in the
Atsimo-Atsinanana
Atsimo-Atsinanana (South East) is a region in Madagascar. Its capital is Farafangana. The region used to be part of the Fianarantsoa Province.
The region extends along the southern part of the east coast of Madagascar. It is bordered by Fitovinan ...
region.
The Mananara South is formed by the merger of the Menarahaka, Itomampy, and Ionaivo. The Ionaivo rises on the slopes of Tsimahamory peak, at an approximate elevation of 1500m. The Itomampy rises not far from the Ionaivo, about 40 km from the Indian Ocean, at approximately 1600m, and runs north until it joins the Ionaivo. The Menarahaka rises in the Andringitra massif, at approximately 2000m elevation. It is joined by the Sahambano before joining the Ionaivo.
[Aldegheri, Marius. ''Rivers and Streams on Madagascar'', in Battistini, Rene & G. Richard-Vindard (ed.), ''Biogeography and Ecology in Madagascar'', p. 266–67 (1972))]
References
Rivers of Madagascar
{{Madagascar-river-stub