Wawa Dam is located at Barangay Wawa, Montalban, Rizal, Philippines.

It supplies water to Novaliches passing through large pipes. It has a gorge which lies between two limestone mountains and through it passes the upper Marikina River. Four caves are visible on the way to the dam. These caves are said to have been inhabited by the Japanese soldiers during the Second World War. A historical marker can be found at the entrance of the one of the caves in memory of the dead Japanese soldiers.

Source:

philtravelcenter.com