Rivers of Korea
Encyclopedia
Korean Peninsula
The Korean Peninsula is a peninsula in East Asia. It extends southwards for about 684 miles from continental Asia into the Pacific Ocean and is surrounded by the Sea of Japan to the south, and the Yellow Sea to the west, the Korea Strait connecting the first two bodies of water.Until the end of...
is mainly mountainous along its east coast, so most of its river water flows west, emptying into the Yellow Sea
Yellow Sea
The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula. Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden...
. Some of these rivers flow through lakes en route to the coast, but these are all artificial reservoirs, as there are no natural lakes on the Korean mainland. A few rivers head south, emptying into the Korea Strait
Korea Strait
The Korea Strait is a sea passage between South Korea and Japan, connecting the East China Sea and the Sea of Japan in the northwest Pacific Ocean...
and some more minor rivers flow east, though these are usually little more than streams in comparison. In the list below, tributaries are listed under the river into which they flow and then in upstream order. They are listed counterclockwise, from the Yalu to the Tumen.
Main Rivers of South Korea
| Name | hangul | hanja | |
|---|---|---|---|
| 1 | Hantan River Hantan River The Hantan River is a river in South Korea, flowing through Gangwon and Gyeonggi Provinces. It is a tributary of the Imjin River, which eventually joins the Han River and empties into the Yellow Sea. The Hantan River is a popular site for white-water rafting.... |
한탄강 | 漢灘江 |
| 2 | Imjin River Imjin River The Imjin River is a river of North and South Korea. It flows from North to South, crossing the Demilitarized Zone and joining the Han River downstream of Seoul, very near the Yellow Sea.- History :... |
임진강 | 臨津江 |
| 3 | Soyang River Soyang River Soyang River is a river of South Korea. It is a river of the Han River system.... |
소양강 | 昭陽江 |
| 4 | Hongcheon River Hongcheon River Hongcheon River is a river of South Korea and North Korea. It is a tributary of the Bukhan River in the Han River system.... |
홍천강 | 洪川江 |
| 5 | Bukhan River Bukhan River The Bukhan River is a tributary of the Han River that flows through both North and South Korea. It traverses Kangwon province in North Korea and Gangwon and Gyeonggi provinces in South Korea.... |
북한강 | 北漢江 |
| 6 | Han River Han River (Korea) The Han River is a major river in South Korea and the fourth longest river on the Korean peninsula after the Amnok, Duman, and Nakdong rivers. It is formed by the confluence of the Namhan River , which originates in Mount Daedeok, and the Bukhan River , which originates on the slopes of Mount... |
한강 | 漢江 |
| 7 | Namhan River | 남한강 | 南漢江 |
| 8 | Geum River Geum River The Geum-gang River is located in South Korea. It is a major river that originates in Jangsu-eub, North Jeolla Province. It flows northward through North Jeolla and North Chungcheong Provinces and then changes direction in the vicinity of Greater Daejeon and flows southwest through South... |
금강 | 錦江 |
| 9 | Mangyeong River | 만경강 | 萬頃江 |
| 10 | Dongjin River | 동진강 | 東津江 |
| 11 | Yeongsan River Yeongsan River The Yeongsan River is a river in south-western South Korea. It has a length of 115.5km, and covers an area of 3,371 km2. Yeongsan River starts from the Yongchubong Peak located in Yong-myeon, Damyang County, South Jeolla Province... |
영산강 | 榮山江 |
| 12 | Seomjin River Seomjin River The Seomjin River is a river in South Korea. It drains southeastern Jeollabuk-do as well as eastern Jeollanam-do and western Gyeongsangnam-do provinces, and flows into the Korea Strait. The Seomjin rises from Palgongsan and flows for 212.3 kilometers before reaching its final destination in... |
섬진강 | 蟾津江 |
| 13 | Nakdong River Nakdong River The Nakdong River is the longest river in South Korea, and passes through major cities such as Daegu and Busan.-Geography:... |
낙동강 | 洛東江 |
| 14 | Geumho River Geumho River The Geumho River flows through North Gyeongsang Province, South Korea, and drains into the Nakdong River. It rises in the hilly area of western Pohang, flows west for 116 kilometers before its meeting with the Nakdong in western Daegu. It drains an area of more than 2,000 square kilometers. ... |
금호강 | 琴湖江 |
| 15 | Hwang River Hwang River The Hwang River is a tributary of the Nakdong River, flowing through Gyeongsangnam-do in southeastern South Korea. It originates in Geochang, from the union of various streams flowing from the slopes of Deogyusan, and meets the Nakdong in Hapcheon County. It covers about 117 kilometers... |
황강 | 黃岡 |
| 16 | Nam River Nam River (Korea) The Nam River is a River in Gyeongsangnam-do, South Korea. It is one of the many southern tributaries of the Nakdong River.In 1950, during the Korean War, it was the site of fierce battles between United Nations and North Korean forces, the Battle of the Nam River.-See also:*Rivers of Asia*Rivers... |
남강 | 南江 |
Rivers flowing into the Yellow Sea (West Sea)
- Yalu RiverYalu RiverThe Yalu River or the Amnok River is a river on the border between North Korea and the People's Republic of China....
, known in Korean as the "Amnok River" (압록강)- Hunjiang River (渾江) (Joins Yalu River from Chinese side)
- Ch'ongch'on RiverCh'ongch'on RiverThe Ch'ŏngch'ŏn River is a river of North Korea having its source in the Rangrim Mountains of Chagang Province and emptying into the Yellow Sea at Sinanju. The river flows past Myohyang-san and through the city of Anju, South P'yŏngan Province...
(청천강)- Taeryong RiverTaeryong RiverTaeryong River is a river of North Korea. The river is a tributory of the Ch'ongch'on River....
(대령강)
- Taeryong River
- Taedong RiverTaedong RiverThe Taedong River is a large river in North Korea. It rises in the Rangrim Mountains of the country's north. It then flows southwest into Korea Bay at Namp'o. In between, it runs through the country's capital, Pyongyang. Along the river are landmarks such as the Juche Tower and Kim Il-sung...
(대동강)- Chaeryong River (재령강)
- Ryesong RiverRyesong RiverThe Ryesŏng River is a river of North Korea. It flows from north to south, emptying into the Yellow Sea by Ganghwa Island, just west of the mouth of the River Imjin....
(예성강)- Handarinae (한다리내)
- Jeongjacheon (정자천)
- Rucheon (루천)
- Ojocheon (오조천)
- Handarinae (한다리내)
- Imjin RiverImjin RiverThe Imjin River is a river of North and South Korea. It flows from North to South, crossing the Demilitarized Zone and joining the Han River downstream of Seoul, very near the Yellow Sea.- History :...
(임진강)- Han RiverHan River (Korea)The Han River is a major river in South Korea and the fourth longest river on the Korean peninsula after the Amnok, Duman, and Nakdong rivers. It is formed by the confluence of the Namhan River , which originates in Mount Daedeok, and the Bukhan River , which originates on the slopes of Mount...
(한강)- GongneungcheonGongneungcheonGongneungcheon is a river of South Korea. It is a tributary of the Han River....
(곡능천) - NajinhacheonNajinhacheonNajinhacheon is a river of South Korea. It is a tributary of the Han River....
(나진하천) - ChangneungcheonChangneungcheonChangneungcheon is a river of South Korea. It is a tributary of the Han River....
(창능천) - AnyangcheonAnyangcheonThe Anyangcheon is a river in Gyeonggi-do and Seoul, South Korea. It has its source on the slopes of Mount Gwanggyo in the city of Uiwang and flows north, through the city of Gunpo, where a major cleanup operation saw several species of birds return to the area in 2005. Here, though, the water...
(안양천)- DorimcheonDorimcheonThe Dorimcheon is a river in Seoul, South Korea. It has its source in the valley between Gwanaksan and Samseongsan in southern Seoul and flows north, past Seoul National University. From Sillim Station to Daerim Station, it is covered by Line 2 of the Seoul Subway, which is elevated above the...
(도림천) - Mokgamcheon (목감천)
- Samseongcheon (삼성천)
- HakuicheonHakuicheonThe Hakuicheon is a river in Uiwang and Anyang, South Korea. It has its source on the slopes of Baekunsan in the city of Uiwang, at the foot of which it forms Baekun Lake, from which it then flows west into Anyang, where it joins the Anyangcheon. The river has a path alongside providing easy...
(학의천)
- Dorimcheon
- JungnangcheonJungnangcheonJungnangcheon is a tributary of Seoul's Han River. It is generated in the valley of Dorak Mountain of Yangju, Gyeonggi-do. Cheonggyecheon is a tributary of Jungnangcheon....
(중랑천)- CheonggyecheonCheonggyecheonCheonggyecheon is an 8.4 km long, modern public recreation space in downtown Seoul, South Korea. The massive urban renewal project is on the site of a stream that flowed before the rapid post-war economic development required it to be covered by transportation infrastructure...
(청계천)
- Cheonggyecheon
- TancheonTancheonTancheon, a tributary of Seoul's Han River, is a stream beginning in the city of Yongin in Gyeonggi-do and flowing through Seongnam and then between the districts of Songpa-gu and Gangnam-gu in Seoul before entering flowing into the Han River...
(탄천)- YangjaecheonYangjaecheonYangjaecheon is a stream that flows through the city of Seoul, South Korea. It runs through Gangnam, which is the southern half of the city....
(양재천) - YeosucheonYeosucheonYeosucheon is a river of South Korea. It is a tributary of the Han River....
(여수천) - BundangcheonBundangcheonThe Bundangcheon is a short stream in Bundang, South Korea. Its source is the reservoir in Yul-dong Park and it then runs through Central Park , under the main road through Bundang, past Bundang Gu Office, to join the Tancheon.-See also:...
(분당천) - PungdeokcheonPungdeokcheonThe Pungdeokcheon, a tributary of the Tancheon, is a stream in Suji-gu in the city of Yongin, Gyeonggi-do. It joins the Tancheon from the west in Jukjeon....
(풍덕천)
- Yangjaecheon
- GyeongancheonGyeongancheonGyeongancheon is a river of South Korea. It is a tributary of the Han River....
(경안천)- NeungwoncheonNeungwoncheonNeungwoncheon is a river of South Korea. It is a tributary of the Gyeongancheon in the Han River system....
(능원천) - YangjicheonYangjicheonYangjicheon is a river of South Korea. It is a tributary of the Gyeongancheon in the Han River system....
(양지천) - UnhakcheonUnhakcheonUnhakcheon is a river of South Korea. It is a tributary of the Gyeongancheon in the Han River system....
(운학천)
- Neungwoncheon
- Bukhan RiverBukhan RiverThe Bukhan River is a tributary of the Han River that flows through both North and South Korea. It traverses Kangwon province in North Korea and Gangwon and Gyeonggi provinces in South Korea....
(북한강)- Yangguseocheon (양구서천)
- MunhocheonMunhocheonMunhocheon is a river of South Korea. It is a tributary of the Bukhan River in the Han River system....
(문호천) - Hongcheon RiverHongcheon RiverHongcheon River is a river of South Korea and North Korea. It is a tributary of the Bukhan River in the Han River system....
(홍천강)- SandaecheonSandaecheonSandaecheon is a river of South Korea. It is a tributary of the Hongcheon River in the Han River system....
(산대천) - DeoksancheonDeoksancheonDeoksancheon is a river of South Korea. It is a tributary of the Hongcheon River in the Han River system....
(덕산천)- SeongjeoncheonSeongjeoncheonSeongjeoncheon is a river of South Korea. It is a river of the Han River system....
(성전천)
- Seongjeoncheon
- YasidaecheonYasidaecheonYasidaecheon is a river of South Korea. It is a river of the Han River system....
(야시대천)
- Sandaecheon
- GapyeongcheonGapyeongcheonGapyeongcheon is a river of South Korea. It is a river of the Han River system....
(가평천) - Soyang RiverSoyang RiverSoyang River is a river of South Korea. It is a river of the Han River system....
(소양강)- Inbukcheon (인북천)
- SanaecheonSanaecheonSanaecheon is a river of South Korea. It is a river of the Han River system....
(사내천)- YongdamcheonYongdamcheonYongdamcheon is a river of South Korea. It is a river of the Han River system....
(용담천)
- Yongdamcheon
- MagunaemeoMagunaemeoMagunaemeo is a river of South Korea. It is a river of the Han River system....
(마구내머)- MahyeoncheonMahyeoncheonMahyeoncheon is a river of South Korea. It is a river of the Han River system....
(마현천) - BongocheonBongocheonBongocheon is a river of North Korea. It is a river of the Han River system....
(봉오천)
- Mahyeoncheon
- Namhan River (남한강)
- SinnaegaeulSinnaegaeulSinnaegaeul is a river of South Korea. It is a river of the Han River system....
(신내개울)- HeukcheonHeukcheonHeukcheon is a river of South Korea. It is a river of the Han River system....
(흑천)
- Heukcheon
- YongdamcheonYongdamcheonYongdamcheon is a river of South Korea. It is a river of the Han River system....
(용담천) - BokhacheonBokhacheonBokhacheon is a river of South Korea. It is a river of the Han River system....
(복하천)- JukdangcheonJukdangcheonJukdangcheon is a river of South Korea. It is a river of the Han River system....
(죽당천) - PyogocheonPyogocheonPyogocheon is a river of South Korea. It is a river of the Han River system....
(표고천) - GwanricheonGwanricheonGwanricheon is a river of South Korea. It is a river of the Han River system....
(관리천)
- Jukdangcheon
- YanghwacheonYanghwacheonYanghwacheon is a river of South Korea. It is a river of the Han River system....
(양화천) - GeumdangcheonGeumdangcheonGeumdangcheon is a river of South Korea. It is a river of the Han River system....
(금당천) - CheongmicheonCheongmicheonCheongmicheon is a river of South Korea. It is a river of the Han River system....
(청미천) - Seom RiverSeom RiverSeom River is a river of South Korea. It is a river of the Han River system....
(섬강)- IricheonIricheonIricheon is a river of South Korea. It is a river of the Han River system....
(이리천)
- Iricheon
- MokmicheonMokmicheonMokmicheon is a river of South Korea. It is a river of the Han River system....
(목미천) - HwangsancheonHwangsancheonHwangsancheon is a river of South Korea. It is a river of the Han River system....
(환산천) - GuryongcheonGuryongcheonGuryongcheon is a river of South Korea. It is a river of the Han River system....
(구룡천) - YeongdeokcheonYeongdeokcheonYeongdeokcheon is a river of South Korea. It is a river of the Han River system....
(영덕천) - DaejeoncheonDaejeoncheonDaejeoncheon is a river of South Korea. It is a river of the Han River system....
(대전천) - DalcheonDalcheonDalcheon is a river of South Korea. It is a river of the Han River system....
(달천)- Seongmundongcheon (석문동천)
- YodocheonYodocheonYodocheon is a river of South Korea. It is a river of the Han River system....
(요도천)
- Dong River (동강) (forms the Namhan)
- Pyeongchang River (평창강) (forms the Namhan)
- Sinnaegaeul
- Gongneungcheon
- Munsancheon (문산천)
- SeolmacheonSeolmacheonThe Seolmacheon in South Korea is a tributary of the Imjin River, which it joins at Jeokseong, and it was on Gloster Hill, between the two rivers, that the British Gloucestershire Regiment suffered defeat at the hands of the Chinese in the Battle of the Imjin River, a major event in the Korean War,...
(설마천) - Samicheon (사미천)
- Jigocheon (지거천)
- SincheonSincheon (Gyeonggi)The Sincheon, a tributary of the Samicheon, is a stream in Gyeonggi-do. The Samicheon in turn flows into the Imjin River....
(신천)
- Ganghwacheon (강화천)
- Sannaecheon (산내천)
- Hantan RiverHantan RiverThe Hantan River is a river in South Korea, flowing through Gangwon and Gyeonggi Provinces. It is a tributary of the Imjin River, which eventually joins the Han River and empties into the Yellow Sea. The Hantan River is a popular site for white-water rafting....
(한탄강)- Yeongpyeongcheon (영평천)
- Pocheoncheon (포천천)
- Guntangaeul (군탄개울)
- Yeongpyeongcheon (영평천)
- Yeokgokcheon (역곡천)
- Han River
- Barancheon (발안천)
- Suchoncheon (수촌천)
- Hwadangcheon (화당천)
- Anseongcheon (안성천)
- Sineoncheon (신언천)
- Jinwicheon (진위천)
- Jwagyocheon (좌교천)
- Gwanlicheon (관리천)
- Hwanggujicheon (황구지천)
- Sujikcheon (수직천)
- Seorangcheon (서랑천)
- Anyeongcheon (안영천)
- Yangjeongcheon (양정천)
- Woncheoncheon (원천천)
- SuwoncheonSuwoncheonThe Suwoncheon in South Korea is a tributary of the Hwanggujicheon, which in turn empties into the Yellow Sea at Asan Bay. Its source is on the slopes of Gwanggyosan on the border between Yongin and Suwon, from where it forms the Gwanggyo Reservoir. It then runs south and through Hwaseong's...
(수원천)- Gwanggyocheon (광교천)
- SeohocheonSeohocheonThe Seohocheon is a river in Suwon, South Korea. It has its source on the southern slopes of Gwanggyosan and flows south, through Cheoncheon-dong, past Dongnam Health College, to Seoho , near Hwaseo Station. From there, it continues south and joins the Hwanggujicheon...
(서호천)- Jeongjacheon (정자천)
- Jangancheon (장안천)
- Sincheoncheon (신천천)
- Osancheon (오산천)
- Hancheon (한천)
- Sapgyocheon (삽교천)
- Namwoncheon (남원천)
- Gokgyocheon (곡교천)
- Eumbongcheon (음봉천)
- Omokcheon (오목천)
- Onyangcheon (온양천)
- Geumgokcheon (금곡천)
- Cheonancheon (천안천)
- Maegokcheon (매곡천)
- Bonggangcheon (봉강천)
- Yongcheon (용천)
- Pungsecheon (풍세천)
- Dogocheon (도고천)
- Muhancheon (무한천)
- Seogucheon (석우천)
- Hyogyocheon (효교천)
- Daechicheon (대치천)
- Geummacheon (금마천)
- Chodaecheon (초대천)
- Geum RiverGeum RiverThe Geum-gang River is located in South Korea. It is a major river that originates in Jangsu-eub, North Jeolla Province. It flows northward through North Jeolla and North Chungcheong Provinces and then changes direction in the vicinity of Greater Daejeon and flows southwest through South...
(금강) - Dongjin River (동진강)
- Mangyeong River (만경강)
- Yeongsan RiverYeongsan RiverThe Yeongsan River is a river in south-western South Korea. It has a length of 115.5km, and covers an area of 3,371 km2. Yeongsan River starts from the Yongchubong Peak located in Yong-myeon, Damyang County, South Jeolla Province...
(영산강)- Hwangnyong River (황룡강)
- Pyeongnimcheon (평림천)
- Gaecheon (개천)
- Gwangjucheon (광주천)
- Pungyeongjeongcheon (풍영정천)
- Jeungam River (증암강)
- Jungangcheon (중앙천)
- Orye River (오례강)
- Hwangnyong River (황룡강)
Rivers flowing into the Korea Strait (South Sea)
- Seomjin RiverSeomjin RiverThe Seomjin River is a river in South Korea. It drains southeastern Jeollabuk-do as well as eastern Jeollanam-do and western Gyeongsangnam-do provinces, and flows into the Korea Strait. The Seomjin rises from Palgongsan and flows for 212.3 kilometers before reaching its final destination in...
(섬진강)- Boseong River (보성강)
- Nakdong RiverNakdong RiverThe Nakdong River is the longest river in South Korea, and passes through major cities such as Daegu and Busan.-Geography:...
(낙동강)- Miryang RiverMiryang RiverThe Miryang River is a tributary of the Nakdong River which flows through Miryang City. It rises in Ulsan metropolitan city, on the slopes of Gohyeonsan, and flows for 101.5 kilometers before joining the Nakdong in Miryang's Samnangjin-eup. Its narrower upper reaches are often called the...
(밀양강) - Nam River (남강)
- Gyeongho RiverGyeongho RiverThe Gyeongho River flows through western Gyeongsangnam-do in southern South Korea. It rises on the eastern slopes of Jirisan and flows around the edge of Jirisan National Park, eventually joining the Deokcheon River at Jinyang Lake...
(경호강)
- Gyeongho River
- Hwang RiverHwang RiverThe Hwang River is a tributary of the Nakdong River, flowing through Gyeongsangnam-do in southeastern South Korea. It originates in Geochang, from the union of various streams flowing from the slopes of Deogyusan, and meets the Nakdong in Hapcheon County. It covers about 117 kilometers...
(황강) - Geumho RiverGeumho RiverThe Geumho River flows through North Gyeongsang Province, South Korea, and drains into the Nakdong River. It rises in the hilly area of western Pohang, flows west for 116 kilometers before its meeting with the Nakdong in western Daegu. It drains an area of more than 2,000 square kilometers. ...
(금호강)- SincheonSincheon (Daegu)The Sincheon is a stream flowing through eastern Daegu, South Korea. It rises from the Naengcheon and other streams in Gachang-myeon, Dalseong-gun, in the rural south of the city, and flows north through the east side of the city center to reach the Geumho River. For much of its length it is...
(신천)
- Sincheon
- Yeong RiverYeong RiverThe Yeong River is a river in Mungyeong City, North Gyeongsang province, South Korea. It flows into the Nakdong River, which in turn flows into the Sea of Japan . The river rises from Hwabuk-myeon in Sangju, and drains most of western Mungyeong and parts of northern Sangju. From tip to tail, it...
(영강)
- Miryang River
Rivers flowing into the Sea of Japan (East Sea)
- Jangancheon (장안천)
- Yongsocheon (용소천)
- Hyoamcheon (효암천)
- Hwasancheon (화산천)
- Hoeya River (회야강)
- Namchangcheon (남창천)
- Daebukcheon (대북천)
- Cheongokcheon (천곡천)
- Junamcheon (주남천)
- Oehang River (외항강)
- Cheongnyangcheon (청량천)
- Duwangcheon (두왕천)
- Namcheon (남천)
- Cheongnyangcheon (청량천)
- Taehwa RiverTaehwa RiverThe Taehwa River flows into the Ulsan Bay in the Sea of Japan . The river's entire 46-kilometer course lies in the within the metropolitan city of Ulsan. The Taehwa drains an area of nearly 645 km²; much of this lies within Ulsan, but portions of it lie in neighboring cities such as Gyeongju....
(태화강)- Yeocheoncheon (여천천)
- Myeongchoncheon (명촌천)
- Yangjeongcheon (양정천)
- Jinjangcheon (진장천)
- Dongcheon River (동천강)
- Songjeongcheon (송정천)
- Dongcheon (동천) (Upper part of the Dongcheon River)
- Cheokdongcheon (척동천)
- Mubeopcheon (무법천)
- Guksucheon (국수천)
- Daegokcheon (대곡천)
- Guryangcheon (구량천)
- Mihocheon (미호천)
- Sangcheoncheon (상천천)
- Jakcheoncheon (작천천)
- Gacheoncheon (가천천)
- Eomulcheon (어물천)
- Bangbangcheon (방방천)
- Jeongjacheon (정자천)
- Muryongcheon (무룡천)
- Sinmyeongcheon (신명천)
- Gwanseongcheon (관성천)
- Haseocheon (하서천)
- Hyeongsan RiverHyeongsan RiverThe Hyeongsan River is a river in southeastern South Korea. It flows from Doseo-myeon, Ulju-gun in Ulsan to the Sea of Japan , covering a distance of about 62 km...
(형산강)- Gigyecheon (기계천)
- Bukcheon (북천)
- Wangpicheon (왕피천)
- Nam River (남강)
- Geumya River (금야강)
- Seongcheon River (성천강)
- Namdaecheon (남대천)
- Bukdaecheon (북대천)
- Eorangcheon (어랑천)
- Suseongcheon (수성천)
- Tumen RiverTumen RiverThe Tumen River is a 521 km-long river that serves as part of the boundary between China, North Korea, and Russia, rising in Mount Baekdu and flowing into the Sea of Japan....
, known in Korean as the "Duman River" (두만강)
See also
- List of rivers
- List of Korea-related topics
- Geography of South KoreaGeography of South KoreaSouth Korea is located in East Asia, on the southern half of the Korean Peninsula jutting out from the far east of the Asian land mass. The only country with a land border to South Korea is North Korea, lying to the north with of border running along the DMZ. South Korea is mostly surrounded by...
- Geography of North KoreaGeography of North KoreaNorth Korea is located in east Asia on the northern half of the Korean Peninsula. North Korea shares a border with three states, including China along the Amnok River, Russia along the Duman River, and South Korea along the Korean Demilitarized Zone...