 It covers 59,031 hectares (145,869 acres) in the Balsas River Basin where sustainable development is promoted through eco-tourism, camping, visits to mines, hiking, visits to caves (with prehispanic paintings), and scientific studies under the auspices of the Universidad Autónoma del Estado de Morelos.There are 85 species of fishes, 209 species of birds, 69 species of large mammals (including white-tail deer, boars, raccoons, and coyotes.There are reptiles, amphibians, and over 1,000 species of insects.