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Every There are villages every few kilometresthe route but none with high standard accommodations until Andapa where so it's best to complete the stretch in a single day, perhaps arriving at the Andapa peak by sunset, from where there are villages and along much only a few kilometres of rolling downhill into town is left. From the route views peak, there are several viewpoints of the Marojejy massif with its 2,132 metres peak can be seen- Andapa Basin.

There are no high standard accommodations exists until Andapa where Throughout much of the RN3b route endsbike ride, so it's best to complete there are many impressive views of the stretch in a single dayMarojejy massif with its 2, maybe arriving at the Andapa 132 metres peak by sunset from where there is only a few kilometres short roll down into town.

The Andapa Basin itself offers bike and trekking opportunities in all directions. Except for in Andapa itself, there is no tarmac, just countryside dirt road and trails. For example, complete a 13km return bike ride to [[Ampontsilahy]] makes in an easy half or one day return trip from Andapa. See [[Andapa to Ampontsilahy by bike]]. Alternatively, stay overnight at the basic hotel accommodation in Ampontsilahy and continue from there by foot along less bikable routes at higher elevations, such as such as to [[Tanambao Andapa|Tanambao]] and [[Tsaramandroso]] and further.