List of rivers in Region I (Ilocos Region)

The following is a partial list of rivers in Region I (Ilocos Region), Philippines.

NameProvinceCity/municipalityOutflow
Aqua Grande RiverIlocos NortePagudpudPasaleng Bay
Baag RiverIlocos NortePagudpudPasaleng Bay
Bacarra RiverIlocos NorteBacarra, Laoag and VintarNagabungan Bay
Badoc-Apatot RiverIlocos NortePinili, Badoc and Nueva EraGavu Bay
Baruyen RiverIlocos NorteBangui, Burgos and PasuquinBangui Bay
Buagea RiverIlocos NorteBanguiBangui Bay
Bulu RiverIlocos NortePagudpud, Bangui, Dumalneg, Adams and VintarBangui Bay
Buraan RiverIlocos NorteBurgosBangui Bay
Cabacanan RiverIlocos NortePagudpudBangui Bay
Cabulataan RiverIlocos NortePasuquin, Bacarra, Bangui, Dumalneg and VintarNagabungan Bay
Caparispisan RiverIlocos NortePagudpudBangui Bay
Caunayan RiverIlocos NortePagudpudCaunangan Bay
Currimao RiverIlocos NorteCurrimaoGavu Bay
Laoag RiverIlocos NorteLaoag, San Nicolas, Bacarra, Vintar, Sarat, Piddig, Dingras, Marcos, Banna, Nueva Era, Solsona and CarasiNagabungan Bay
Magabog RiverIlocos NortePagudpudPasaleng Bay
Magarayap RiverIlocos NorteSan GabrielWest Philippine Sea
Maglaot RiverIlocos NorteCurrimao and PiniliGavu Bay
Manayan RiverIlocos NorteBanguiBangui Bay
Nagabungan RiverIlocos NortePasuquin and BurgosNagabungan Bay
Pansian RiverIlocos NortePagudpudPasaleng Bay
Pasaleng RiverIlocos NortePagudpudPasaleng Bay
Quiaoit RiverIlocos NortePaoay, Batac and SarratGavu Bay
San Mateo RiverIlocos NorteLaoag CityNagabungan Bay
Santo Domingo RiverIlocos NortePasuquin, Burgos and VintarNagabungan Bay
Tolnagan RiverIlocos NortePasuquinNagabungan Bay
Amburayan RiverIlocos SurTagudin, Sigay, Suyo, Allem, SugponWest Philippine Sea
Bantaoay RiverIlocos SurSan Vicente, San Ildefonso, Santo Domingo and BantayWest Philippine Sea
Bayogai RiverIlocos SurSanta Cruz and SuyoWest Philippine Sea
Bicat RiverIlocos SurSan Juan, Masingal and Nueva EraLapog Bay
Bimmeclet RiverIlocos SurSinait and CabugaoCabugao Bay
Buaya RiverIlocos SurSanta Lucia, Santa Cruz, Salcedo, Suyo, Sigay, Gregorio del Pilar, Quirino and San EmilloWest Philippine Sea
Cabugao RiverIlocos SurCabugaoCabugao Bay
Candon RiverIlocos SurCandon, Banayoyo, Santiago, Lidlidda, Galimuyod and San EmilloWest Philippine Sea
Catalina RiverIlocos SurSan Vicente and Santa CatalinaWest Philippine Sea
Coveta RiverIlocos SurSantiago, San Esteban and Santa MariaSolvec Bay
Dili RiverIlocos SurSanta CruzWest Philippine Sea
Loob RiverIlocos SurSinaitCabugao Bay
Lupting-Lapog RiverIlocos SurSan Juan and Nueva EraLapog Bay
Marcelino RiverIlocos SurSinaitCabugao Bay
Mestizo RiverIlocos SurCaoayan, Vigan and BantayWest Philippine Sea
Namunuan RiverIlocos SurSanto Domingo, San Vicente and San IldefonsoWest Philippine Sea
Naruken RiverIlocos SurNarvacan and NagbukelWest Philippine Sea
Narvacan RiverIlocos SurNarvacan and NagbukelSolvec Bay
Ogyo Daya RiverIlocos SurCandon and GalimuyodWest Philippine Sea
Panday RiverIlocos SurViganWest Philippine Sea
Parsua RiverIlocos SurSan Juan and MasingalLapog Bay
Santa Maria RiverIlocos SurNarvacan, Santa Maria, Nagbukel, Burgos, San Esteban, Lidlidda, Santiago, Banayoyo and San EmilioSolvec Bay
Sinait RiverIlocos SurSinaitCabugao Bay
Sunek RiverIlocos SurNarvacan and SantaSolvec Bay
Vigan RiverIlocos SurSanta Catalina and ViganWest Philippine Sea
Agoo RiverLa UnionAgoo, Tubao and Santo TomasLingayen Gulf
Amburayan RiverLa UnionBangar, Supiden, SantolWest Philippine Sea
Aringay RiverLa UnionAringay, Caba, Tubao, PugoLingayen Gulf
Bauang RiverLa UnionBauang, Naguilian, San Fernando, Burgos, BagulinLingayen Gulf
Bororo RiverLa UnionBacnotan, San Juan, San Fernando, San Gabriel and BagulinWest Philippine Sea
Busilak RiverLa UnionBangar, Supiden and LunaWest Philippine Sea
Caba RiverLa UnionCaba and BauangLingayen Gulf
Cupang RiverLa UnionSanto TomasLingayen Gulf
Darigayos RiverLa UnionLuna, Balaoan and SantolWest Philippine Sea
Magarayap RiverLa UnionBacnotan, Balaoan, SantolWest Philippine Sea
Patalan RiverLa UnionSanto Tomas, Rosario, PugoLingayen Gulf
Alaminos RiverPangasinanAlaminos, Sual, Mabini and LabradorLingayen Gulf
Atel RiverPangasinanDasol and InfantaDasol Bay
Balincaguin RiverPangasinanAgno, Burgos, Mabini, Dasol and InfantaAgno Bay
Balingasay RiverPangasinanBolinao and BaniWest Philippine Sea
Banog RiverPangasinanDasol and InfantaDasol Bay
Bayambang RiverPangasinanDasolDasol Bay
Buruan RiverPangasinanAgno and BurgosAgno Bay
Cato RiverPangasinanInfantaDasol Bay
Catubig RiverPangasinanBolinaoLingayen Gulf
Dagupan RiverPangasinanDagupan, Mangaldan, Binmaley, Lingayen, Bugallon, San Carlos, Calasiao, Mapandan, Santa Barbara, Malasiqui, Urdaneta, Basista, UrbiztondoLingayen Gulf
Dasol RiverPangasinanDasol and BurgosDasol Bay
Espital RiverPangasinanDasolDasol Bay
Hermosa RiverPangasinanDasolDasol Bay
Inerangan-Carita-Masedem RiverPangasinanBani, Alaminos, Agno and MabiniLingayen Gulf
Lasud RiverPangasinanAgno and BaniAgno Bay
Locloc RiverPangasinanAgnoAgno Bay
Nayom RiverPangasinanInfanta and MabiniDasol Bay
Nugulong RiverPangasinanSualLingayen Gulf
Patalan RiverPangasinanDagupan, San Fabian, Mangaldan, San Jacinto, Sison, Pozorrubio, Manaoag, Mapandan, Laoac, Binalonan, San Manuel, Asingan, UrdanetaLingayen Gulf
Ponic RiverPangasinanDasolDasol Bay
Punged RiverPangasinanDasol and BurgosDasol Bay
Santa Rita RiverPangasinanAndaLingayen Gulf
Tanglao RiverPangasinanDasolDasol Bay
Tupa RiverPangasinanAgno and BurgosAgno Bay
Uli RiverPangasinanDasol and BurgosDasol Bay

Sources

  1. Department of Environment and Natural Resources - Biodiversity Management Bureau (bmb.gov.ph)
  2. Department of Environment and Natural Resources - Environmental Management Bureau (emb.gov.ph)
  3. Philippine Information Agency (pia.gov.ph)
  4. Department of the Interior and Local Government (dilg.gov.ph)
  5. Official websites of Philippine provinces
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