The 3rd Tunnel was discovered in 1978 by South Korean forces. It spans over 1,635m in length, 2m in width, and 2m in height and is located 52km from Seoul. It is estimated that approximately 30,000 soldiers could move through the tunnel per hour.
The scale is similar to the 2nd Tunnel, but it was thought to be more threatening as an invasion tool than the 1st and 2nd Tunnels. Located only 4km away from Imjingak park toward the southwest and 3.5km from the Tongilchon area, it is accessible by car in about 45 minutes.
Tour Course Information
A Course (approx. 3 hours): Departure from Imjingak → The 3rd Tunnel (DMZ video room) → Dora Observatory → Dorasan Station → Tongilchon Jikpanjang → Tongilchon Village Museum → Return to Imjingak
B Course (approx. 3 hours 30 min): Departure from Imjingak → Tomb of Heo-jun → Haemaruchon → The 3rd Tunnel (DMZ video room) → Dora Observatory → Return to Imjingak
Tourists who want to tour Dorasan Observatory and The 3rd Tunnel, have to have a passport and make a reservation in advance at the DMZ ticket box located in Imjingak parking lot.
Tourists can tour The 3rd tunnel, Dorasan Observatory and Unification Park by shuttle bus. Soldiers act as guides on this package tour. Only Korean speaking guides are available if you make your reservation here, so foreigners should contact a travel agency to arrange an English-speaking guide in advance.
Private cars and taxies are not permitted. Only designated shuttle buses can enter because it is located in the Civilian Restricted Zone.