Mount TiradGregorio del PilarSpike PeakMount EstileteGregorio del PilarGregorio del PilarQuirinoQuirinoSigayQuirinoMount AmpayaoSalcedoTuboMount MonserratSalcedoSan EmilioSalcedoSan EmilioProvince of Ilocos SurSigayMount QuinaliAllangigan PrimeroAllangigan PrimeroMount MonondonMount TinimoganGalimuyodParioc SegundoParioc SegundoMount NaliboMount AntinangadMount CacamtananMount NamogoianMount KapnisMount TinandananBald PeakMount NadangoMount MaspitMount AmoMount TapaoMount Malaya