Bridge of Freedom crossing the Rimjin. Located in Munsan, Paju, South Korea.
|Countries||North Korea (PRK), South Korea (KOR)|
|Provinces||Kangwon (PRK), North Hwanghae (PRK), Gyeonggi (KOR)|
|Source||Turyu Mountain [a]|
|- location||Poptong, Kangwon, North Korea|
|- location||Paju, Gyeonggi, South Korea|
|Length||273.50 km (170 mi) |
|Basin||8,138.90 km2 (3,142 sq mi) |
|Hangul||림진강 or 임진강|
|Revised Romanization||rimjingang or imjin-gang|
|McCune–Reischauer||Rimjin'gang or imjin'gang|
The Imjin River (Hangul: 임진강 in South Korea) or Rimjin River (Chosŏn'gŭl: 림진강 in North Korea) is the 7th largest river in Korea. It flows from north to south, crossing the Demilitarized Zone and joining the Han River downstream of Seoul, near the Yellow Sea. The river is not the namesake of the Imjin Waeran Japanese invasions of Korea in the late 16th century.
The active channel of the Rimjin River utilizes only about 150 to 200 feet of the 1,200-foot (370 m) width of the dry riverbed that it runs through, which is bordered by almost vertical rock cliffs standing approximately 75 feet (23 m) above the mean low water level. It gives no indication in normal times of the tremendous power it develops when in flood. During the Korean rainy season of July and August, the Imjin becomes a raging torrent, largely confined by its steep rocky banks. Fed by its larger tributaries and many small mountain streams, it reaches flood heights of 48 feet (15 m) above mean water level and a velocity of 15 to 20 feet per second (6 m/s). The rapid runoff of approximately 95 percent of precipitation during heavy general rains has caused the Imjin, on occasion, to rise at a rate of more than six feet per hour.
During the severe Korean winter, icy winds sweep down the Imjin; the sub-zero temperatures cause thick ice to form on the river. Fluctuations in the level of the river, particularly tidal action in the lower reaches, break up this ice, and large amounts of floe ice pile up against any obstacle in the channel.
The Imjin has been nicknamed by many in South Korea as the "River of the Dead" due to large numbers of dead bodies that have, in the past, floated down it from the North. The most recent occurrence was during the major famine of the 1990s when millions of North Koreans are believed to have starved to death.
- 2013년 한국하천일람 [List of Rivers of South Korea, 2013] (PDF) (in Korean). Han River Flood Control Office, Republic of Korea. 31 December 2012. pp. 112–113. Retrieved 2 July 2014.
- Seven Famous Spots, Yeoncheon County.
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