Introduction:
The 4th Tunnel was discovered on March 3, 1990. It is located 1,200m 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

 
Information:
Information Introduction The 4th Tunnel was discovered on March 3, 1990
It is located 1,200m 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


Telephone: +82-33-480-2674 Closed * Mondays (if Monday is a national holiday, will remain open and close on Tuesday instead)* New Year’s Day, Seollal (Lunar New Year’s Day) & Chuseok (Korean Thanksgiving Day)

Operating:
Hours Summer (Mar-Oct) 09:00-18:00Winter (Nov-Feb) 09:00-17:00* Visitors must arrive at Unification Hall on time in order to view the tunnel due to military control
- To visit Eulji Observatory and the 4th Tunnel, visitors must arrive at Unification Hall before 15:30 in Summer Season and 14:30 in Winter Season
* Visitors must arrive at Unification Hall in time to see the tunnel due to the military control
- To visit Eulji Observatory or the 4th Tunnel (one of two places), visitors must arrive at Unification Hall before 16:30 in Summer Season and 14:30 in Winter Season
Parking Facilities Available Admission Fees [Security Package] Admission: Eulji Observatory, the 4th Tunnel Individuals - Adults 3,000 won / Children 1,500 won Groups (30 people or more) - Adults 2,000 won / Children 1,000 won [Free admission – proof required] Children (ages 6 or under) / Seniors (ages 65 or more) / Men of national merit / People with disabilities Restrooms Available

 
The 4th Tunnel Reviews:
KTL:    Best Cafe Street
SounL:    light walking with fresh air
ouI:    Children's museum with lots to do
dH:    Great History Museum
SounLT:    This museum will be transferred to...;Treasure of a small museum
lianKO:    Fabulous and amazing!!!;Fun!
SounL:    Excellent One day in Korea;Korean folk
KTL:    Caribbean Bay day out;Fun when it's not too busy!
jianK:    Shooting Drama Set;Couple
WUZ:    Very beautiful;Romantic place