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Beihai Tunnel is located between Ren'ai Village and Meishi Village. In 1970, the military excavated a tunnel here for the ships to avoid bad weather and attacks. The tunnel could harbor several naval vessels, but after a severe typhoon, it was damaged. As the cross-strait relations grow friendlier, the tunnel has become a tourist attraction. With a total length of 700 meters, the tunnel is also called as the underground dock featuring Matsu military importance in the past.
Beihai Tunnel goes deep into the granite mountain. The waterway is 18 meters in height, 10 meters in width and 640 meters in length, capable of harboring 120 small vessels. It took 820 days to complete the establishment of the tunnel. The construction was very difficult at that time, and some soldiers even sacrificed their lives during the construction.
The tunnels opening hours is based on tidal schedules, opening hours need to be confirmed in advance.
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