[1] The 230,296 hectares (569,070 acres) Caminhos Ecológicos da Boa Esperança Environmental Protection Area, created in 2003, serves as a buffer zone.

[3] The Wenceslau Guimarães Forest Reserve was created by state decree 23.842 of 29 November 1973, with an area of about 12,000 hectares (30,000 acres).

[4] The Wenceslau Guimarães Ecological Station was created by state governor decree 6.228 of 21 February 1997.

It was created due to the great biological diversity of the Wenceslau Guimarães Forest Reserve, the endemic and endangered species, the need to protect the sources of the Das Almas River and the fact that the area is part of the core zone of the Atlantic Forest Biosphere Reserve.

[6] On 19 April 2000 the boundaries of the ecological station were expanded to cover an area of 2,418.19 hectares (5,975.5 acres).