Ramena River

Ramena River
Tsaratanana Massif river system
Location
CountryMadagascar
RegionDiana
Physical characteristics
Sourceat the Maromokotra peak
  locationTsaratanana Massif, Diana
  elevation2,500 m (8,200 ft)
MouthAmbodimanga, Sambirano River
  location
Diana
  coordinates
13°44′S 48°37′E / 13.733°S 48.617°E / -13.733; 48.617
  elevation
27 m (89 ft)
Length86.2 km (53.6 mi)
Basin size1,080 km2 (420 sq mi)

The Ramena River is a river of northwestern Madagascar in the region of Diana. It has its sources at the Maromokotra and is the main affluent of the Sambirano River. Its outlet is situated at Ambodimanga Ramena.