[2] The eastern side of the rugged Cariri massif is moist and dominated by montane rainforest.

At the tops of the tallest and steepest hills there are stony fields with rock outcroppings, holding many species of bromeliads, orchids, cactuses and ferns.

[3] Alto Cariri National Park was created by federal decree on 11 June 2010 with an approximate area of 19,264 hectares (47,600 acres).

[1] It became part of the Central Atlantic Forest Ecological Corridor, created in 2002.

[3] The objectives are to preserve the Alto Cariri mountain complex, ensure viable populations of endangered birds and animals, especially the northern muriqui (Brachyteles hypoxanthus) spider monkey, maintain and restore watersheds and waterways, support development of education and environmental interpretation, recreation in contact with nature, eco-tourism and scientific research.