A two hour trip from Manila is a beautiful historical and ecological park, located in San Miguel, Bulacan. The 2,100-hectare national park has various ecological attractions, connected by hanging bridges and concrete trail that lead to a river, caves, falls, large boulders, ancient trees, and other exploration sites surrounded by a green forest.
Biak na Bato was used as a hideout of revolutionary forces during the Spanish regime. General Emilio Aguinaldo and Pedro Paterno signed the Malolos Constitution on this place.
This tree was used as a watch tower.