The 4th Tunnel was discovered on March 3, 1990. It is located 1,200 meters from the Military Demarcation Line in the demilitarized zone of South Korea. This is the only tunnel to be discovered that provides full access to tour groups. Educational instruction is given in the square outside the tunnel.
Basic Information
| Postal Code | 24561 |
| Address | Ihyeon-ri, Yanggu-gun, Gangwon-do |
Usage Information
| Experience Age Range | Open to visitors of all ages |
| Information & Inquiries | • 1330 Travel Hotline: +82-2-1330 (Korean, English, Japanese, Chinese) • For more info: +82-33-481-9021 |
| Parking Facilities | Available |
| Closed Days | Mondays, New Year’s Day, the morning of Seollal (Lunar New Year’s Day) & Chuseok (Korean Thanksgiving Day) |
| Operating Hours | March-October 09:00-18:00 November~February 09:00-17:00 |
