[1] The ecological reserve was created by state law 6.464 of 22 June 1994 in the area named Arrecadação da Gleba Pontal.

The objective was to protect and research the flora, fauna and natural beauty of the location.

It is laced with an intricate network of streams in the basins of the Juruena and Teles Pires.

[4] The reserve is home to several endangered species including the giant anteater (Myrmecophaga tridactyla), bush dog (Speothos venaticus) and swallow-tailed kite (Elanoides forficatus).

A total of 193 bird species have been recorded, including the endangered Kawall's amazon (Amazona kawalli), golden parakeet (Guaruba guarouba), orange-cheeked parrot (Pyrilia barrabandi), vulturine parrot (Pyrilia vulturina) and golden-crowned manakin (Lepidothrix vilasboasi).