Bedrock geology is mostly sandstone and shale ranging from Devonian to Triassic origin.
The lower portions are more rugged, with rocky outcrops holding small caves and springs of water.
[1] Protected species in the park include the jaguar (Panthera onca), cougar (Puma concolor), giant armadillo (Priodontes maximus), Brazilian three-banded armadillo (Tolypeutes tricinctus), white-browed guan (Penelope jacucaca) and bearded bellbird (Procnias averano).
[2] The Serra das Confusões National Park was created by federal decree on 2 October 1998, and is administered by the Chico Mendes Institute for Biodiversity Conservation.
The objective is to preserve a natural ecosystem of great ecological relevance and scenic beauty, and to support scientific research, environmental education and interpretation, outdoors recreation and ecotourism.