Mount MonserratSigaySigaySpike PeakGregorio del PilarMount TiradGregorio del PilarKibunganMount EstileteGregorio del PilarQuirinoQuirinoCervantesCervantesQuirinoSuyoMount NamogoianSalcedoSuyoMount QuinaliMount MalayaComillas NorteComillas NorteSalcedoSalcedoTuboMount AmpayaoMount TapaoMount Libo LiboBald PeakMount TinimoganMount NaliboMount TungutiganProvince of Ilocos SurMount AmoMount TinandananMount CacamtananMount AntinangadMount TungtayanLepanto Mines Airfield