The Islas del Golfo de California Biosphere Reserve, with its over 240 islands, is located in northwestern Mexico between the rocky and arid peninsula of Baja California, the vast Sonoran Desert and the abundant mangroves of Sinaloa.
The Agua y Paz (Water and Peace) Biosphere Reserve is characterized by mountain ranges, volcanoes and plains. The reserve is comprised of eight core zones that are protected wildlife areas. Its natural riches include wetlands, navigable rivers and tropical humid forests.
The Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche is both a World Heritage site and a Biosphere Reserve. The largest forest mass in Mexico and the second largest remnant forest left in Latin America, it is the heartland of the area in which the Maya civilization reached its climax.
The Apaneca-Ilamatepec Biosphere Reserve contains both the oldest volcano in the Central Volcanic Chain, Caldera de Coatepeque as well as a more recent formation, Izalco, a stratovolcano. The reserve hosts important ecosystems for conservation of species and has highly diverse habitats.
Located in the eastern Pacific Ocean, the Archipiélago de Revillagigedo is made up of four remote islands and their surrounding waters. Part of a submerged volcanic mountain range, the islands provide critical habitat for a range of wildlife and are of particular importance for seabirds.
Arenal National Park is located in Alajuela province in northwestern Costa Rica. The park encompasses the Arenal Volcano, an active andesitic stratovolcano. It was Costa Rica's most active volcano until 2010 and one of the ten most active volcanoes in the world.
Arrecife Alacranes (Scorpion Reef) is a reef surrounding a small group of islands off the northern coast of Yucatán, Mexico. Designated a national park and biosphere reserve, it is the largest reef in the southern Gulf of Mexico and the only known coral reef in the Yucatán.
Located at the southeastern tip of the State of Quintana Roo in the Yucatán Peninsula, Banco Chinchorro Biosphere Reserve encompasses a mosaic of open water, sea grass beds, mangroves, sand beaches and coral reefs that is considered one of the most outstanding marine sites in the region.
Barbilla National Park is located on the eastern slopes of the Cordillera de Talamanca in Costa Rica, within the Caribbean La Amistad Conservation Area. The park protects humid lowland rain forest along the Caribbean slopes of the Talamancan mountain range.
Barra Honda National Park is located in western Costa Rica and is part of the Tempisque Conservation Area. It was created in 1974 to protect its famous cave systems under the Barra Honda Peak which was formed when islets from the Miocene Era were raised above the plains of the river.