The Mt. Nagchayan is located at Banaue, Ifugao, was where the Japanese troops fought fierce battles during WWII. At the site one can find several grottos, stone walled trenches, and fox holes and rusty shells on this old battle ground.
- "Hop Around, Ifugao." http://hoparound.net/HopAround/public/tourist/poi_level2_view.page?level2Id=37
(accessed on Aug. 20, 2007)