| Magat River | |
|---|---|
.jpg) The river in Bambang, Nueva Vizcaya in 2020 | |
.svg)  Magat River mouth .svg) Magat River (Philippines) | |
| Native name | Ilog ng Magat (Tagalog) |
| Location | |
| Country | Philippines |
| Region | Cagayan Valley |
| Province | |
| Physical characteristics | |
| Source | Confluence of the Santa Fe and Marang Rivers |
| • location | Aritao, Nueva Vizcaya, Cordillera Central Mountains |
| Mouth | Confluence of Magat River-Cagayan River |
• location | Gamu, Isabela |
• coordinates | 17°02′27″N 121°49′43″E / 17.040880°N 121.828583°E |
• elevation | 26 ft (7.9 m) |
| Length | 226 km (140 mi) |
| Basin size | 5,200 km2 (2,000 sq mi) |
| Discharge | |
| • location | Cagayan River |
| • average | 540 m3/s (19,000 cu ft/s) |
| Basin features | |
| Progression | Magat–Cagayan |
The Magat River is a river in the Philippine island of Luzon with a total length of 226 kilometres (140 mi). It originates in the Nueva Vizcaya municipality of Aritao, where the Santa Fe River joins the Marang. It is the largest tributary of the Cagayan River by discharge volume of water, with an estimated drainage area of 5,200 square kilometres (2,000 sq mi), roughly twenty percent of the total drainage area of the Cagayan River.