The climate is tropical in the valley of Sambirano, which provides the important precipitations (approximately 2m per year). The dry season is quite short and average temperature is 26° C. To make the most out of this trip, avoid the floods and plan your getaway between April and November.
The river is in the Diana region of Ambanja. To reach this city, take the plane, disembark at Arrachart de Diégo airport, then continue by car. Embark on a canoe or boat to cross the river.
To rest after your crossing, join Ambanja and stay at the hotel "Palma Nova" or "Bungalow Restaurant Hermes" or "La Timonière". If you want to enjoy the legendary hospitality of the Malagasy, stay with the locals in their villages located on the banks.
The best option is to sit and eat in the small restaurants run by the locals or to enjoy the dishes prepared by the association Tsy Kivy.
Many small villages are settled on the banks of Sambirano. Count among others are Ambobaka, Marotolona or Antsirasira. Also visit the Ambato Peninsula and the Ambohidravy Forest Reserve. The city of Ambanja and the port of Ankify are also worth a visit.