The Beihai Tunnel, located along the rugged coastline of Matsu’s Nangan Island, is an underground wonder carved deep into hard granite. This pound-sign-shaped maze extends for over 700 meters. Originally a secret naval dock designed to house dozens of small boats, it now serves as a silent testament to human perseverance and wisdom, inviting visitors to explore its mysteries.
Beihai Tunnel feels like a hidden world. Its calm waters reflect lights, and at night, the 'blue tears' shimmer, casting a mysterious glow. Amazingly, the tunnel was mostly hand-excavated.
Beihai Tunnel, built during a time of military tensions, was hand-excavated by soldiers over three years. It symbolizes strategic ingenuity and honors the sacrifice of its builders, standing today as a cultural landmark.
To fully enjoy Beihai Tunnel, plan your visit around tide times, as it’s only open at low tide. For a unique experience, take a night boat trip to witness the magical ‘blue tears’ illuminating the dark waters.
