Guyangan Cave System

The Guyangan Cave System (Filipino: Mga Yungib ng Guyangan) is a group of caves located in the island municipality of Banton, Romblon in the Philippines. 3-hectare (211-acre) area of forest land. The caves are a significant archaeological site and a national cultural treasure of the Philippines as it is the site of ancient burial grounds where wooden coffins, human skeletal remains as well as the oldest burial cloth in Southeast Asia were discovered during explorations by the National Museum of the Philippines in 1936.

These artifacts are now displayed at the National Museum of Anthropology in Manila.