The Patapat Viaduct is a scenic coastal bridge located in Pagudpud, Ilocos Norte. It is known as the fourth longest bridge in the Philippines, stretching over the rocky cliffs and offering breathtaking views of the coastline and the South China Sea. The viaduct is a popular spot for photography enthusiasts, as it provides a stunning backdrop for memorable pictures. Visitors can also stop by the nearby viewing deck to fully appreciate the panoramic vistas. The Patapat Viaduct is a must-visit attraction for those exploring the beauty of Pagudpud.