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Flag of Oriximiná
Official seal of Oriximiná
Location of Oriximiná
Location of Oriximiná
Coordinates: 01°45′57″S 55°51′57″W / 1.76583°S 55.86583°W / -1.76583; -55.86583Coordinates: 01°45′57″S 55°51′57″W / 1.76583°S 55.86583°W / -1.76583; -55.86583
Country Brazil
Region Norte
State Pará
Founded June 13, 1877
 • Mayor Luiz Gonzaga Viana Filho (PV)
 • Total 107,602.992 km2 (41,545.747 sq mi)
Elevation 46 m (151 ft)
Population (2008)
 • Total 57,765
 • Density 0.5/km2 (1/sq mi)
HDI (2000) 0.717 – medium[2]
Website www.oriximina.pa.gov.br

Oriximiná is the westernmost and second-largest (by territorial area) municipality in the Brazilian state of Pará. It is also the fourth-largest in the country.


The city lies on the Trombetas river, 40 kilometres (25 mi) northwest of Óbidos. The city is crossed by the Equator. Oriximiná is served by Oriximiná Airport located 8 kilometres (5.0 mi) from downtown Oriximiná. Porto Trombetas Airport located in the district of Porto Trombetas 70 kilometres (43 mi) away serves the population residing and working for the Mineração Rio do Norte S/A.


The north of the municipality contains the larger part (75.89%) of the 4,245,819 hectares (10,491,650 acres) Grão-Pará Ecological Station, the largest fully protected tropical forest conservation unit on the planet.[3] The municipality also contains the 1,007,580 hectares (2,489,800 acres) Rio Trombetas Biological Reserve, a strictly protected conservation unit created in 1979 to preserve the ecology and specifically to protect the Arrau turtle.[4] The municipality contains part of the Saracá-Taquera National Forest, a 441,283-hectare (1,090,430-acre) sustainable-use conservation unit created in 1989.[5] It contains 88% of the 3,172,978 hectares (7,840,600 acres) Trombetas State Forest, created in 2006.[6]


  1. ^ IBGE 2008 statistics
  2. ^ [1] - UNDP
  3. ^ Estação Ecológica Grão-Pará (in Portuguese), Ideflor-bio (Government of Pará), retrieved 2016-05-12 
  4. ^ Unidade de Conservação: Reserva Biológica do Rio Trombetas (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-04-17 
  5. ^ Unidade de Conservação: Floresta Nacional de Saracá-Taquera (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-06-01 
  6. ^ FES do Trombetas (in Portuguese), ISA: Instituto Socioambiental, retrieved 2016-09-07