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. 10 ferries have to be taken along this road.
The part between Tolagnaro (Fort Dauphin) and Ebakika Atsimo (45km) is presently being refurnished.
(north to south)
10 rivers are crossed by this national road by ferry: