Third Tunnel of Aggression
The Third Tunnel of Aggression is a tunnel located at the North Korea–South Korea border. It was opened in 1978 and is one of the 61 sights listed for South Korea on this site, ranking 21st in popularity among the country's sights based on English Wikipedia lookups.
Planning a visit
The weather varies significantly throughout the year. July and August are the warmest months, with daily highs of about 28 °C to 29 °C, but they also see the most rain, with up to 397 mm in July. The coldest period is January, when daily highs reach 0 °C and lows drop to -10 °C. April, May, and September offer milder temperatures between 17 °C and 25 °C with moderate rainfall.
To reach the site, you can fly into Seoul Gimpo International Airport, which is 41 km away. The tunnel is located 47 km from Seoul. While visiting, you can combine your trip with other nearby locations such as Camp Bonifas (2.9 km), Panmunjom (4.7 km), the Bridge of No Return (5.1 km), or the Kaesong Industrial Region (6.7 km). The Mausoleum of King Kongmin is also nearby at 21.1 km.
Weather by month
The warmest month is August, with an average high of 29 °C. The wettest is July, with about 397 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 1 | 4 | 10 | 17 | 22 | 26 | 28 | 29 | 25 | 19 | 10 | 3 |
| Average low, °C | -10 | -6 | -1 | 6 | 12 | 17 | 21 | 22 | 16 | 8 | 1 | -6 |
| Rainfall, mm | 17 | 21 | 41 | 65 | 105 | 125 | 397 | 310 | 157 | 47 | 49 | 18 |
| Rainy days | 3 | 4 | 5 | 7 | 7 | 11 | 18 | 18 | 12 | 8 | 7 | 4 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
