This site looks like a pretty cool hike - it's not something you'd get exhausted over and the 360 degree view of Laguna Lake looks fantastic. Your destination here is Binangonan in the province of Rizal just to the east of Metro Manila. Lian's got itinerary details and some pointers to take note of if you're planning on conquering this mountain and spending the night at  camp site here. The summit looks like you can take a movie crew here and do a medieval scene. Check her site out for full details on how to get to this island via commute.