It flows from the Sierra Madre mountain range to Manila Bay.

Three dams are located along the river namely Angat, Ipo and Bustos.

The catchment or basin area of the river is 1,085 square kilometres (419 sq mi) located in the Angat Watershed Forest Reserve.

[1] Angat River snakes through the municipalities of Doña Remedios Trinidad, Norzagaray, Angat, Bustos, San Rafael, Baliwag, Plaridel formerly "Quingua", Pulilan, Calumpit, Paombong, and Hagonoy.

This article related to a river in the Philippines is a stub.