Alenquer is a municipality in the state of Pará in the Northern region of Brazil.

[2][3][4][5] The town is located on the northern bank of the Amazon River, roughly across from the city of Santarém.

[6] The municipality contains roughly half of the 216,601 hectares (535,230 acres) Mulata National Forest, a sustainable use conservation unit created in 2001.

[7] The north of the municipality contains part (13.31%) 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.

[8] It contains 2% of the 3,172,978 hectares (7,840,600 acres) Trombetas State Forest, created in 2006.