Pongara National Park (French: Parc national de Pongara) is located near the capital, Libreville, on the south side of the Gabon Estuary and the Atlantic Ocean. Covering an area of 929 square km. The national park is composed chiefly of moist tropical forests and mangrove forests.

Pongara National Park is situated on the southern side of the Gabon Estuary and covers an area of 96,302 hectares (371.82 sq mi). The site is mainly covered in forested and encompasses various habitats, including mangrove forest, swamp forest, riverine forest, and seasonally-inundated forest. Additionally, there is a long strip of sandy beach area and some grassy savanna within the park. Several rivers, such as the River Remboué, the River Igombiné, and the River Gomgoué, flow through the park and empty into the estuary.

The area has been used for many thousands of years, by local people, gathering timber, growing cassava and banana, and hunting and fishing.

This reserve has the full compliment of species that you could hope to see, including Elephants, gorillas, monkeys, buffaloes, duikers and chimpanzees, Hawksbill sea turtles, green sea turtles and olive ridley sea turtle visit the estuary and the beaches are used by leatherback sea turtles for breeding.

A local conservation organisation monitors the female leatherback turtles is working on making sure that turtle nests are unaffected by humans.

Many migratory birds visit the estuary and up to 10,000 waders overwinter there.