Guajará-Mirim State Park

Guajará-Mirim State Park
Parque Estadual de Guajará-Mirim
IUCN category II (national park)
Nearest city	Nova Mamoré, Rondônia
Coordinates	10°32′17″S 64°27′18″W / 10.538°S 64.455°W / -10.538; -64.455Coordinates: 10°32′17″S 64°27′18″W / 10.538°S 64.455°W / -10.538; -64.455
Area	216,568 hectares (535,150 acres).
Designation	State park
Created	23 March 1990
Administrator	Secretaria de Estado do Desenvolvimento Ambiental

The Guajará-Mirim State Park (Portuguese: Parque Estadual de Guajará-Mirim) is a state park in the state of Rondônia, Brazil. It protects an area of savanna forest and transition into rainforest. It is in an area where there is great pressure from loggers and ranchers. A road was illegally cut through the park, apparently by loggers supported by local politicians. This received federal approval after the fact, since it provides access to areas otherwise cut off by flooding of the Madeira River.

The Guajará-Mirim State Park is divided between the Rondônia municipalities of Nova Mamoré (97.67%) and Guajará-Mirim (2.33%). It has an area of 216,568 hectares (535,150 acres). The BR-421 Federal highway forms part of the northern boundary of the park. To the southwest it adjoins the Rio Ouro Preto Extractive Reserve. To the east it adjoins the Pacaás Novos National Park. There are two support bases on the banks of the Formoso River that are used by researchers and inspection teams. A road crosses the park and areas along the Corrente stream have been deforested, but there are no inhabitants. The conservation unit is supported by the Amazon Region Protected Areas Program. Although much of the park is protected, the surrounding areas of Campo Novo de Rondônia and Buritis are under great pressure.

The park covers parts of the Guaporé plateau and the southern Amazon depression, with altitudes of 100 to 500 metres (330 to 1,640 ft). The park holds tributaries of the Jaci Paraná River basin. Soils include red-yellow podzols, rocky outcrops, lithic soils and quartz sands. Vegetation is 60% savanna and 12% savanna-rainforest contact. There are estimated to be about 500 species of birds, including some that are threatened elsewhere by hunting. Between 40 and 50 species of amphibians have been recorded, similar to other Amazon regions.