It protects an area of cerrado biome in excellent condition, including savannah, scrub and forest.

The Águas Emendadas Ecological Station is in the northeast of the Federal District and has an area of 10,547 hectares (26,060 acres).

[2] Due to the excellent state of conservation of the ecosystems, in 1992 UNESCO declared it one of the areas that comprised the nucleus of the Cerrado Biosphere Reserve.

The Vereda Grande stream running to the north meets the Maranhão River, a tributary of the Tocantins.

[3] Vegetation includes the range of cerrado flora from open fields to scrub, dry and flooded gallery forest and marshland.