Manajeba River
Manajeba River at Marivorahona
Location
Country	Madagascar
Region	Diana
City	Marivorahona
Physical characteristics
Source	Tsaratanana Massif
• location	Diana
• elevation	1,785 m (5,856 ft)
Mouth
• location	Indian Ocean
• coordinates	12°53′00″S 48°56′30″E / 12.88333°S 48.94167°E / -12.88333; 48.94167
• elevation	0 m (0 ft)
Length	248 km (154 mi)
Basin size	2,198.6 km2 (848.9 sq mi)[1]
Discharge
• location	Near mouth
• average	(Period: 1971–2000)59.3 m3/s (2,090 cu ft/s)[1]
Discharge
• location	Marivorahona (1980–1983)
• average	24.2 m3/s (850 cu ft/s)- (1980–1983)
• minimum	0.497 m3/s (17.6 cu ft/s)
• maximum	220 m3/s (7,800 cu ft/s)

The Manajeba River is located in northern Madagascar. Its sources are situated near in the Tsaratanana Massif, it crosses the Route nationale 6 near Tanambao Marivorahona and flows into the Indian Ocean.

In January 2012 the bridge of 32 meters of the Route nationale 6 collapsed between Tanambao Marivorahona and the village of Marivorahona.^[2]

• Bauduin & Servat, Etude d'Hydrologie à usage Agricole - ORSTOM pp.1-829 - page 29