The Ili Rock or the Ilihan is a natural rock formation that greets visitors as they enter the southern heritage town of Boljoon. The limestone cliff was once used as a natural fortress by natives living in the area. It is a huge geological formation that is considered to be the second most important landmark for the residents of Boljoon.
In addition to the Ili Rock, you can also visit the centuries old Nuestra Señora del Patrocinio Churchof Boljoon as well as the old rectory of the church, which is the oldest residential building from the Spanish period in the town. You can also visit the El Gran Baluarte, which is the biggest Spanish watchtower in Cebu.