Betampona Reserve is a nature reserve in Toamasina Province of Madagascar. It is located 40 km northwest of Toamasina and was established in 1927. The area of the reserve is 29.2 km2. Like most of the geology of the central and eastern coasts of Madagascar, Betampona consists of metamorphic and igneous rocks of the precambrian basement. Betampona is typical of other Malagasy rainforests, which is characterized by a large variety of low canopies and small trees compared to rainforests in other parts of the world. A hot and humid climate prevails.