When speaking of Cagayan River officially the Cagayan River in Cagayan Province is meant. However, also ofthe the river in Cagayan de Oro is meant when speaking of Cagayan River. Officially this should be called Cagayan de Oro River.
Cagayan River
Cagayan River is the longest river in The Philippines and located in Cagayan Province.
Cagayan de Oro River
Cagayan de Oro River is the river ending in Cagayan de Oro City.
