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Yongsan Garrison

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Parent: Camp Humphreys Hop 4
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Yongsan Garrison
NameYongsan Garrison
Native name용산기지
TypeMilitary base
Built1882 (Japanese use), 1945 (US use)
Used1945–present
ControlledbyUnited States Forces Korea
GarrisonUnited States Army Garrison Yongsan, United Nations Command, Combined Forces Command
LocationYongsan District, Seoul, South Korea

Yongsan Garrison. For decades, this sprawling military installation in the heart of Seoul served as the primary headquarters for the United States Forces Korea (USFK) and a central symbol of the U.S.-South Korea alliance. Occupying a strategically vital area of the Yongsan District, the garrison has been a focal point of military planning, diplomatic relations, and local controversy since its establishment following the end of World War II. Its planned relocation to Camp Humphreys in Pyeongtaek marks a significant transformation in the posture of American forces on the Korean Peninsula.

History

The site's military history began in the late 19th century when the Imperial Japanese Army established a headquarters there following the Japan–Korea Treaty of 1882. After Japan's surrender in World War II, forces of the United States Army Military Government in Korea took control of the facility in 1945. It became a critical command center during the Korean War, housing key elements of the Eighth United States Army and later the United Nations Command. Throughout the Cold War, the garrison was expanded and fortified, serving as the nerve center for American military operations during periods of high tension, including the Pueblo incident and the Ax murder incident.

Facilities and operations

The garrison functioned as a largely self-contained city, housing the main headquarters for the United States Army Garrison Yongsan, the Combined Forces Command, and the United States Forces Korea. Key facilities included the Dragon Hill Lodge, a major hotel and recreation center, the Yongsan Post Exchange, and the Seoul American High School. The installation also contained significant intelligence and communications hubs supporting the U.S. Intelligence Community, logistical depots for the Eighth United States Army, and the Yongsan Golf Course. Its operations were integral to the execution of the U.S.-South Korea Status of Forces Agreement and joint exercises like Ulchi-Freedom Guardian.

Relocation and future plans

The decision to relocate the garrison's functions was formalized in the 2004 Land Partnership Plan between the United States Department of Defense and the Government of South Korea. The primary destination is the massively expanded Camp Humphreys in Pyeongtaek, which has become the largest overseas U.S. military base. The move, part of a broader strategic realignment, consolidates most U.S. forces south of the Han River and away from the Korean Demilitarized Zone. Upon the garrison's return, the Seoul Metropolitan Government plans to transform the prime real estate into a large public park, tentatively named Yongsan Park, echoing the design of Central Park in New York City.

Strategic importance

Yongsan Garrison's location in central Seoul placed it within easy reach of key South Korean government institutions like the Blue House and the Ministry of National Defense, facilitating close coordination. This proximity was a physical manifestation of the Mutual Defense Treaty Between the United States and the Republic of Korea and served as a potent deterrent signal to North Korea and regional powers like the People's Republic of China. The base's command elements played a central role in maintaining the Korean Armistice Agreement and planning for contingencies on the peninsula, directly supporting the Trump–Kim summits era diplomacy.

Environmental and community issues

The garrison's long presence generated significant local friction, with issues ranging from noise pollution from Helicopter operations to traffic congestion. Major protests, including those following the 2002 Yangju highway incident, often focused on the base. Environmental concerns were paramount during the relocation process, with investigations revealing soil and groundwater contamination from decades of fuel and chemical use, requiring extensive remediation under the Superfund program. The planned Yongsan Park project is seen as a key step in healing civil-military relations and integrating the area back into the urban fabric of Seoul.

Category:United States Army posts in South Korea Category:Yongsan District Category:1882 establishments in Korea