In early 16th to 17th centuries, the “Id-dules” (Aetas or Baluga) and Egongots (Ilongots) tribe inhabited the southern Sierra Madre and Caraballo Mountains. Based on Mr. Elito V. Circa, a folk visual artist and a writer who wrote most of the Pantabangan-Egongot arts and culture and interviewed some of the Egongot chieftains from Aurora province. He discovered that Pantabangan (Pantabanganan in early 18th century) came from the root Ilongot word "Sabangan or Sabanganan" that means "junction of water streams". It was learned that most of the places in Central Luzon were derived from Ilongot word like Caanaoan, Puncan, Cadanglaan (now Carranglan), Kabaritan (Now San Jose City) and others. Bungamong (Bongabon) and Cadanglaan was formerly sitio of Pantabangan and Kabaritan also part of Pantabangan.