Guamá River

Guamá River
The city of Belém seen from the river
Mouth location in Brazil
Country	Brazil
Basin features
Main source	Pará state
River mouth	1°29′01″S 48°29′01″W / 1.483715°S 48.483699°W / -1.483715; -48.483699Coordinates: 1°29′01″S 48°29′01″W / 1.483715°S 48.483699°W / -1.483715; -48.483699
Physical characteristics
Length	82 km (51 mi)

The Guamá River is a river of Pará state in north-central Brazil. It its mouth it forms the southern border of the state capital, Belém.

The Gurupí, Capim and the whitewater Guamá rivers flow into the mouth of the Amazon and are affected by the daily tides, which force water from the Amazon upstream. They are in the ecoregion.