 ; however in 1995 it was reduced to 4,425 km².In 1989, from the town of Buena Vista and with a very limited budget, the Decentralized Unit of the Santa Cruz Forest Development Center took charge of the park's first management, consisting essentially in flora and fauna inventories, a census of the park's human population and a few information campaigns.This period saw the construction of the Mataracú, Saguayo, La Chonta, and Macuñucú ranger stations, administered by a liaison office, 10 park rangers, material and equipment.