Biak-na-Bato National Park (San Miguel) A huge split boulder which is the mountain hideout of the revolutionary forces during the Spanish regime and the place where the Malolos Constitution was signed by Gen. Emilio Aguinaldo and Pedro Paterno. Site of the Biak-na-Bato Republic.

Biak-na-Bato is ideal for eco-tourism enthusiasts where mountain climbing provides a healthy exercise; the hugeness of Paniki Cave will astound and challenge you, the cool river waters in limestone beds are invigorating, underground river flow under some ... (more)