Tsaratanana Reserve is a nature reserve of Madagascar. The park is located at a high altitude and is closed to the public. The reserve provides a significant amount of water to the area, and many rivers exist in the area, such as Bemarivo river, Sambirano river and the Ramena or Mahavavy River. The reserve also has two waterfalls and thermal baths.
It includes Maromokotro peak which is the highest mountain of Madagascar at 2,876 m (9,436 ft)
It is located 57 km (35 mi) north of Bealanana in the Diana Region.