Óbidos is a municipality in Pará, Brazil located at the narrowest and swiftest part of the Amazon River. It's an old town founded in 1697, and located between Santarém and Oriximiná. The town is the seat of the Diocese of Óbidos.
Latitude and longitude of Oriximiná
Oriximiná is the westernmost and second largest (by territorial area) city in the Brazilian state of Pará. It is also the fourth largest in the country. The city lies on the Trombetas river, 40 km northwest of Óbidos.
Latitude: -1° 45' 56.02" S
Longitude: -55° 51' 58.00" W