DMZ tour – 3td Infiltration tunnel & Imjingak Security Resort

3rd Infiltration Tunnel or 3rd Tunnel is one of four discovered tunnels that were built under the border between South Korea and North. The location of third tunnel is away from only 52km north of Seoul and 3rd tunnel came down to 430 meters south of Military Demarcation Line called MDL. The 3rd Tunnel, the incomplete tunnel is 1,635 meters (1.0 mile) long, 1.95 m (6 ft 5 in) maximum high and 2.1 m (6 ft 11 in) wide. It runs through bedrock at a depth of about 73 m (240 ft) below ground. It is apparently designed for a surprise attack on Seoul from North Korea and 30,000 soldiers per hour could be moved through tunnel.

Visitors can take a monorail down the 300-meter-long entrance tunnel or by walking down a long steep incline.

Imjingak resort, the unique tourist site, is not only as a popular attraction but also as embodying of the wounds of the Korean War and division, The resort preserves the Freedom Bridge and Imjingang rail bridge from the Korean War to remind people of the past, along with a Memorial Hall.