The Rainforests of the Atsinanana form a chain of six protected areas spanning Madagascar's eastern escarpment, including Masoala, Marojejy, Zahamena, Ranomafana, Andringitra, and Andohahela. These forests are among Earth's most biologically rich ecosystems, shaped by warm, moist Indian Ocean air colliding with Madagascar's highlands to create dense, humid rainforest. Parc ...