The 3rd Tunnel

The 3rd Tunnel is the third of its kind built by North Korea for the purpose of invading South Korea. It was discovered in 1978. Among the four tunnels located so far, it is closest to Seoul (about 52 km). It has a total length of 1.6 km and a x_width of 2 m. It is estimated that nearly 30,000 personnel can move through the tunnel every hour. Visitors to the 3rd Tunnel must reserve the tour in advance. The tour starts from the Imjingak Pavilion. All visitors are required to bring their identification, such as passports or Alien Registration Card (ARC).