This area was established on July 1, 1975, through Law (R.S.) N 0264-75-AG, on March of 1977, the UNESCO declared it as part of the Reserve of the North-west Biosphere, together with the National Park of Cerros de Amotape and the National Park of Tumbes (Nowadays is: the reserved area of Tumbes). It is located in the department of Piura provinces of Sullana and Talara and it has a surface of 65,000 hectares.

We can find bushes and trees such as the Angolo (Pithe cellobium multiflorum), the Ceibo (Bombax sp.) the frejolillo or parotillo (Erythrina sp.) the hualtaco (Coxopterygium huasango) and the almond tree (Geoffraya striata).

With regard to the fauna there area 17 types of mammals, 150 of birds, 13 of reptiles and 10 of fishes, for example: the puma (Puma concolor), the gray deer (Odocoileus virginianus), the squirrel (Sciurus stramineus), the partridge (Nothoprocta pentlandii), the guarahuau (Phalcoboenus albogularis), the owl (Athene cunicularia), the parrot (Aratinga erythrogenys), the lizard (Iguana iguana), the colambo (Drymarch oncoralis), the macanche (Boa constrictor ortonii) and the sancarrana (Bothros sp.). The main goal of this area is to preserve the dry forest, the wild fauna and to promote the tourism.