Mount Pinatubo (Sambali: Bakil nin Pinatubu; Kapampangan: Bunduk/Bulkan ning Pinatubu, Bunduk ning Apu Malyari; Pangasinan: Palandey/Bulkan na Pinatubu; Ilocano: Bantay Pinatubo; Tagalog: Bundok/Bulkang Pinatubo) is an active stratovolcanic caldera in the Zambales Mountains, located on the tripoint