Tropical Rainforest Reserves, From Costa Rica to Borneo

Corcovado National Park on Costa Rica's Osa Peninsula protects the largest remaining tract of primary lowland forest on the American Pacific coast, with more than 500 recorded tree species across thirteen vegetation zones and beaches where four species of sea turtle nest.

Tortuguero National Park, set aside in 1975 on Costa Rica's Caribbean coast, is reachable only by boat or small aircraft, receives as much as 6,400 millimeters of rain a year, and was recognized as a Ramsar wetland site in 1996.

The Dja Faunal Reserve in Cameroon is almost entirely enclosed by a bend of the Dja River and was inscribed as a World Heritage Site in 1987; it shelters forest elephants, western lowland gorillas and chimpanzees, and Baka hunter-gatherers live within it.

Salonga National Park in the Democratic Republic of the Congo covers roughly 36,000 square kilometers, the largest tropical rainforest reserve in Africa, and is reachable mainly by river; it sat on the World Heritage in Danger list from 1999 to 2021.

Volcanoes National Park in Rwanda takes in five of the eight Virunga volcanoes, borders parks in the Democratic Republic of the Congo and Uganda, and shelters the mountain gorilla, the animal Dian Fossey studied from her base there.

Andasibe-Mantadia National Park in eastern Madagascar protects about 155 square kilometers of primary rainforest and 11 lemur species, and is best known as the home of the indri, the largest living lemur.

Sinharaja is the last extensive tract of primary rainforest in Sri Lanka; over 60 percent of its trees are endemic to the island, it holds 19 of the country's 20 endemic bird species, and UNESCO inscribed it in 1988.

Khao Yai National Park, established in 1962 as Thailand's first national park, forms the core of the Dong Phayayen-Khao Yai Forest Complex World Heritage Site and is known for Asian elephant, gaur and several species of hornbill.

Gunung Leuser National Park in northern Sumatra, named after 3,119 meter Mount Leuser, includes an orangutan sanctuary at Bukit Lawang and forms part of the Tropical Rainforest Heritage of Sumatra World Heritage Site.

Kinabalu Park in Sabah protects Mount Kinabalu, at 4,095.2 meters the highest peak on Borneo, and spans four climate zones from lowland dipterocarp forest to alpine meadow; it became Malaysia's first World Heritage Site in December 2000.