Philippines Patapat Viaduct (Pagudpud, Ilocos Norte) April 12, 2012April 17, 2013 Posted by Cat Ramos The Patapat Viaduct is a 1.3 km concrete winding bridge at the foot of the North Cordillera Mountain range and it connects the Ilocos Region to Cagayan Valley. Standing 31 meters above sea Read More