English: Wawa Dam[1] (also known as Montalban Dam) is a gravity dam constructed over the Marikina River [2] in Sitio Wawa, Barangay San Rafael, municipality of Rodriguez in Rizal province, Philippines.Cooling off at Wawa Dam wawa-dam [3] Coordinates: 14°43'40"N 121°11'30"E The slightly arched dam is situated in the 360-metre (1,180 ft) high Montalban Gorge or Wawa Gorge, Montalban Gorge, Rodriguez, Rizal[4] a water gap in the Sierra Madre Mountains, east of Manila. It was built in 1909. Wawa Dam pushed as alternative water source People flock to Wawa Dam to beat the summer heat [5] Wawa Dam is located at the foothills of the Sierra Madre mountains. It supplies water to Novaliches with four caves and tunnels are said to have been inhabited by the Japanese soldiers during the Second World War. [6] [7] --- Rodriguez, Rizal[8] is a first-class, urban municipality in the province of Rizal, Philippines, located on the slopes of the Sierra Madre mountain range, the largest town in Rizal province with an area of 312.70 km². The town's old name, Montalban, refers to its mountainous topography. It was also the town's official name from 1909, until Batas Pambansa Blg. 275 was passed in September 1982, which officially renamed the town. The town's official name is taken from the family name of Eulogio Rodriguez, Sr., [9] one of the most prominent Montalbeños. Rodriguez is politically subdivided into 11 barangays (7 urban, 4 rural).---------[N.B. June 4, Tuesday day, 2013 Photography of - From Bulacan at 11 a.m., I took photo at Santolan LRT Station, Marikina City[10], [11] Metro Manila, the National Capital Region[12] - 12:09 p.m. and SM City Marikina, San Mateo, Rizal[13] - 2:02 pm and Rodriguez, Rizal[14], at 4:10 pm: 20% cloudy and 80% sunny weather using my Nikon AW 100 waterproof shockproof camera.; I finished Wawa Dam[15]Rodriguez, Rizal photography at 6:03 p.m., and arrived at Bulacan at 9:30 pm after 3+ hours of travel by bus, and started uploading via slow internet at 9:50 pm - I hereby certify that these rarest, raw, original and unedited photos are exclusive for Commons and Wikipedia never uploaded in any Internet or any site, and for the public domain without any condition.]