Uncover a forgotten chapter of history at the Ilagan Japanese Tunnel. This enigmatic underground network, built by the Japanese military during World War II, once served as a strategic military base and shelter. Located in Barangay Santo Tomas, Ilagan City, Isabela, the tunnel offers a unique opportunity to step back in time. Explore its dimly lit corridors, imagine the lives of those who once walked its paths, and learn about the significant role it played in shaping the region’s past.