No image availablePinagrealan CavePinagrealan Cave is a historic limestone cave system located in Barangay Bigte, Norzagaray, Bulacan, Philippines. It is notable as a former camp and hideout of Katipunan revolutionaries during the Philippine Revolution of 1896-1897. The cave features multiple chambers, stalactite and stalagmite formations, and a historical marker commemorating its role in Philippine history.Norzagaray, BulacanCave