Callao Cave, Show cave in Peñablanca, Philippines
Callao Cave consists of seven chambers with natural openings that allow sunlight to filter through, creating natural lighting throughout the limestone formations.
Archaeologists discovered fossils of Homo luzonensis in 2007, dating back 67,000 years, revealing a previously unknown human species that inhabited the region.
The first chamber of the cave functions as a natural cathedral where local residents gather for religious ceremonies and community gatherings.
Visitors need to climb 184 concrete steps to reach the entrance of the cave, located 24 kilometers northeast of Tuguegarao City.
The cave contains multiple geological layers that indicate continuous human presence spanning approximately 70,000 years of regional history.
Location: Peñablanca
Elevation above the sea: 177 m
GPS coordinates: 17.70326,121.82375
Latest update: May 27, 2025 09:49
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