Dar­ién Nation­al Park (Span­ish: Par­que Nacional Dar­ién) is a World Her­itage Site in Pana­ma. It is about 325 kilo­me­ters from Pana­ma City, and is the most exten­sive of all nation­al parks of Pana­ma and is one of the most impor­tant world her­itage sites in Cen­tral Amer­i­ca. In 1972 an area of 700,000 hectares (7,000 km²) became part of the Alto Dar­ién Pro­tec­tion For­est. In 1980 the area was declared a Nation­al Park. In 1983 an area of 859,333 ha (8,593.33 km²) became a UNESCO bios­phere reserve. The park cov­ers 5,790 km² (579,000 ha).