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Han River (Korea)

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Title: Han River (Korea)  
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Subject: Seoul, List of rivers of Korea, History of Seoul, Gwangjin District, Dobong District
Collection: Geography of Seoul, Han River (Korea), International Rivers of Asia, Rivers of North Korea, Rivers of South Korea
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Han River (Korea)

Han (한강)
Hangang Railway Bridge crossing the Han.
Name origin: Baekje Hanja,
"Hansu" (漢水) [1][1]
Countries South Korea (KOR), North Korea (PRK)
Provinces Gangwon (KOR), Gyeonggi (KOR), Seoul (KOR), North Hwanghae (PRK)
Parts Goljicheon, Joyang River, Dong River, Namhan River
 - left Dalcheon, Cheongmicheon, Bokhacheon, Gyeongancheon, Anyangcheon, Ara Canal
 - right Seom River, Bukhan River, Jungnangcheon, Gongneungcheon, Rimjin River
Source Taebaek Mountains
 - location Geumdae Peak, Taebaek, Gangwon, South Korea [2][2]
Mouth Yellow Sea
 - location Northwestern tip of Gimpo peninsula, KOR-PRK border [3]
Length 494 km (307 mi) [4]
Basin 35,770 km2 (13,811 sq mi) [4]
Discharge for Hangang Bridge, Seoul
 - average 613 m3/s (21,648 cu ft/s) [3][5]
The Han River System
† : Distributary of Han
Han river
Hangul 한강
Hanja 漢江
Revised Romanization Han-gang
McCune–Reischauer Han'gang

The Han River is a major river in South Korea and the fourth longest river on the Korean peninsula after the Amnok (Yalu), Tuman (Tumen), and Nakdong rivers.[6] The river begins as two smaller rivers in the eastern mountains of the Korean peninsula, which then converge near Seoul, the capital of the country.

The Han River and its surrounding area have played an important role in Korean history. The Three Kingdoms of Korea strove to take control of this land, where the river was used as a trade route to China (via the Yellow Sea). However, the river is no longer actively used for navigation, because its estuary is located at the borders of the two Koreas, barred for entrance by any civilian.

Currently, the lower stretches of the Han river are lined with pedestrian walkways, bicycle paths, public parks and restaurants, particularly in Seoul. In a 2011 survey conducted by Seoul Development Institute of 800 residents and 103 urban planning and architectural experts, 51.3 percent of residents and 68.9 percent of experts voted the river the second most scenic location in the city, following Mount Namsan in the top spot.[7]


  • Geography 1
  • Name 2
  • History 3
  • Tributaries of the Han 4
  • Bridges over the lower Han 5
  • Subways crossing Han River 6
  • In media 7
  • Gallery 8
  • See also 9
  • Notes 10
  • References 11
  • External links 12


The Han is formed by the confluence of the Namhan River (South Han River), which originates in Mount Daedeok, and the Bukhan River (North Han River), which originates on the slopes of Kumgang Mountain in North Korea. The River flows through Seoul and then merges with the Rimjin River shortly before it flows into the Yellow Sea. The two major branches of the river, the Namhan River and the Bukhan River, come together at Yangpyeong, Gyeonggi province, at which point it is referred to as the Han River. It then passes through Seoul and continues on to the Yellow Sea. Broad tidal flats can be found at the mouth of the Han River, where it meets the sea along the Korean Demilitarized Zone that divides South and North Korea.[8]

The total length of the Han River is approximately 494 kilometres (307 mi).[4]

Although it is not a long river, the lower Han is remarkably broad for such a relatively short river. Within Seoul city limits, the river is more than 1 kilometre (0.62 mi) wide. Prior to the construction of a number of major dams, the river was known for its huge coefficient of river regime (ratio between the maximum and minimum amount of flow) of 1:390. (For comparison, The Thames and the Rhine have coefficients of 1:8 and 1:18, respectively.)[9]


The Namhangang (Namhan meaning "South Han" and gang meaning "river") is sometimes, but not always, referred to as the "Han" in South Korea. The term "South Han" is understood irrespective of which side of the border one stands.

Even though "Namhan" and "Bukhan" are homophones with the acronyms Namhan (남한; "South Korea") and Bukhan (북한; "North Korea"), used commonly in South Korea, this is a mere coincidence. The hanja for the Han River is not ("Korea") but (Chinese). The reason behind this is because the ancient meaning of the character also meant "large" or "vast", thus showing the reason why the river used the word instead of . It is also easily mistaken with the use of in Seoul's older name, "漢城" where does not refer to Chinese people, but refers to the idea of Seoul being a "Large City."

Han River has been called by different names through the course of Korean history. During the period of the Han Commanderies on the peninsula and the early part of the three kingdom's period the river was often referred to as the Daesu (대수; 帶水; "the Regional Waters"). The state of Goguryeo called it the Arisu (아리수; 阿利水; "The Gainful Waters"). Baekje called it the Ungniha (욱리하; 郁里河; "Fragrant Mile River"), while the kingdom of Silla termed it the Iha (이하; 泥河; "Muddy River").[10]


The Han River has played a central role in Korean history from the earliest times. The kingdom of Baekje was the first to lay claim to the Han River, recognizing its strategic significance, as a primary waterway linking the central western region of the peninsula with the Yellow Sea as well as for the river's fertile alluvial banks, a relative rarity on the mountainous peninsula. Namhan Fortress, located south of Seoul, is posited as an early capital of Baekje. It was not long before the region near the effluence of the Han River with the Yellow Sea, around present day Seoul, became a bone of contention between Baekje and the rising kingdom of Goguryeo. During the reign of its King Jangsu (r. 413-491) Goguryeo wrested the western terminus of the Han River from its rival Baekje. The ensuing decades would see a tug of war over the region until 551 when Baekje, in an alliance with Silla, confirmed its control over the Han River basin. But this alliance was not to last, and in 553 Silla broke its alliance with Baekje to seize control of the entire river as part of its bid for domination of the peninsula.

With the demise of both Baekje and Goguryeo and then the unification of the peninsula under Silla in 668, the Han River entered its long era as a "Korean river", first under the control of Unified Silla (668-918), then of the succeeding Goryeo dynasty (918-1392), and finally as part of the Joseon dynasty (1392-1910). During the Joseon period the Han River achieved new prominence as the primary waterway of the new Korean capital of Seoul, then called Hanyang.

Syngman Rhee and his wife posing with Army Corps of Engineers personnel in 1950 at the Han River Bridge

During the Korean war, in an attempt to slow the North Korean approach, the South Korean military destroyed the Han Bridge, along with the hopes of thousands of citizens of escape.

The Han River now belongs largely to the Republic of Korea, or South Korea, with its effluence in the Yellow Sea a few nautical miles from North Korea (though some of the river's tributaries are in North Korea). During the first few decades of South Korea's existence the Han River became a byword for pollution, as burgeoning industry and an impoverished populace used it as a convenient spillway for industrial and urban refuse. Though it no longer plays a central role in commerce or transportation it is a prime fixture in the life of the South Korean capital and in the last decade has become the focus of government sponsored environmental efforts to clean it up and transform it into an ecological jewel of the capital. During the 1988 Summer Olympics in Seoul, the Han River was the site of the Olympic rowing regatta.

There have been fears, such as the 1986 Water Panic in South Korea, that North Korea could attack Seoul by releasing a flood from the upstream dam.[11]

From 2009 the Lee Myung Bak administration resuscitated a project to dig a canal linking the Han River with the Yellow Sea at Incheon. This eighteen kilometer Ara Canal was completed in 2011 and now links the Han River near Gimpo in Seoul to Incheon. It can accommodate both large container and passenger vessels.

Tributaries of the Han

Tributaries are listed in order from the mouth of the Han to the source. Subtributaries are listed accordingly.

Jungnancheon meets Han, seen from Dongho Bridge
View of Yangjaecheon

Bridges over the lower Han

A total of 27 bridges cross the Han River in Seoul National Capital Area (Seoul, Gyeonggi, Incheon), South Korea, are,

From the west to the east

Hangang Railway Bridge and Hangang Bridge

Subways crossing Han River

In 2017, Line 8 will open to extension that will cross the Han River.[12]
In 2018 the Shinbundang Line will cross Han River by a tunnel beneath the riverbed.[13]

In media

The Han River features as a location in several movies, notable films include:


See also


  1. ^ Presumed to be a tranliterated form of ancient Korean, "Han garam" [the big river ; 한가람]
  2. ^ Geumdae Peak (1,418.1m, Hangul금대봉; hanja金臺峰; RRGeumdaebong)
  3. ^ Discharge average from 2004 to 2013.


  1. ^ 2013년 한국하천일람 [List of Rivers of South Korea, 2013] (PDF) (in Korean). Han River Flood Control Office, Republic of Korea. 31 December 2012. pp. 23–24. Retrieved 3 July 2014. 
  2. ^ HRFCO 2012, pp. 25, 28.
  3. ^ HRFCO 2012, pp. 82-83.
  4. ^ a b c HRFCO 2012, pp. 22, 25, 33, 82-83.
  5. ^ 2014년 1월 월간 수자원 현황 및 전망 [Monthly Status & Predictions Report on Water Resources, January 2014] (HWP) (in Korean). Han River Flood Control Office, Republic of Korea. 13 January 2014. p. 3. Retrieved 15 July 2014. 
  6. ^ Shin, Jung-il, "Historic River Flowing through the Korean Peninsula." Koreana (Summer, 2004), 6.
  7. ^ "Mt. Nam Picked as Seoul's No. 1 Scenic Attraction". Chosun Ilbo. 28 April 2011. Retrieved 4 June 2012. 
  8. ^ Kim Jae-il, "Preservation of the Hangang's Ecology", Koreana 18:2 (Summer 2004).
  9. ^ Korea Water Resources Association:
  10. ^ Yi and Kim, 24.
  11. ^ North Korea Opens Dam Flow, Sweeping Away 6 in the South New York Times
  12. ^ Bak, Yongson (2011-05-04). "'"경기북부 연장 광역전철 '윤곽 잡혔다. Yonhap News. Retrieved 7 Sep 2011. 
  13. ^ "Tunnel sees daylight" (Korean Newspaper). Korea Joogang Daily. Retrieved 11 May 2011. 

External links

  • Hangang Citizen's Park operated by Seoul Metropolitan Government
  • Korea Times article on the river's modern history
  • Brief History of Hangang (River)

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