Mongch'ont'osŏng
The former site of Mongchontoseong (2011)
Location	Seoul, South Korea
Coordinates	37°31′18″N127°7′22″E / 37.52167°N 127.12278°E /37.52167; 127.12278
Historic Sites of South Korea
Official name	Mongchontoseong Earthen Fortification, Seoul
Designated	1982-07-22
Reference no.	297
Korean name
Hangul	몽촌토성
Hanja	夢村土城
Revised Romanization	Mongchontoseong
McCune–Reischauer	Mongch'ont'osŏng

Mongch'ont'osŏng (Korean: 몽촌토성;Hanja: 夢村土城) is an ancient earthen rampart dating from theBaekje period.^[1] It is located what is now in theOlympic Park ofSeoul, South Korea.

The fortification walls are estimated to have been about 2.7 km (1.7 mi) in length and approximately 6 to 7 m (20 to 23 ft) high. The fortifications of Mongch'ont'osŏng had apalisade atop the wall and amoat surrounding its base. They are part ofWiryeseong withPungnaptoseong.

During the1988 Summer Olympics, the running section of themodern pentathlon was held there.^{[citation needed]} A number of important excavations of the site were conducted prior to the construction of the nearby Olympic Park.^[1]

• 1988 Summer Olympics official report. Volume 1. Part 1. p. 181.

• Media related toMongch'ont'osŏng at Wikimedia Commons
• Mongchontoseong Earthen Fortification, Seoul atCultural Heritage Administration of the Republic of Korea

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