Route nationale 12a (RN 12a) is a primary highway in Madagascar of 232 km, running from Vangaindrano to Tôlanaro (Fort Dauphin).
It crosses the regions of Anosy and Atsimo-Atsinanana.
[1] 10 ferries have to be taken along this road.
The part between Tolagnaro (Fort Dauphin) and Ebakika Atsimo (45km) is presently being refurnished.
[2] (north to south) 10 rivers are crossed by this national road by ferry:[3]