Sisaony

Sisaony
Sisaony
Location
CountryMadagascar
RegionAnalamanga
CitiesAndramasina, Ambatofotsy, Ampitatafika
Physical characteristics
Source 
  elevation1,770 m (5,810 ft)
MouthIkopa River
  location
Mahitsy
  coordinates
18°45′S 47°21′E / 18.750°S 47.350°E / -18.750; 47.350
  elevation
1250 m
Length100 km (62 mi)
Basin size740 km²
Basin features
River systemIkopa River

The Sisaony is a smaller river in Analamanga, Madagascar. It drains the districts of Antananarivo Atsimondrano and Andramasina, in the central Highlands of Madagascar into the Ikopa River. Via the Betsiboka River its waters reach the Indian Ocean.