Achasanseongseong Fortress boasts magnificent views of the Hangang River and skyline. The 200m-high mountain fortress wall was built to face southeast, towards the Hangang River. It is also called Janghan-seong or Gwangjang-seong. A fierce battle was once fought here among Gogury, Baekje and Silla because of its strategic location during the period of the Three Kingdoms. King Gae-Ro of Baekje (r. 455-475) died in the war by the Goguryeo forces sent by King Jang-Su (r. 413-491) and General Ondal of Goguryeo was also killed in a battle with the Silla army in 590.

Achasan Mountain is popular as a citizens’ resting place with a historical trail and a natural park including various facilities such as walkway, mountain walkway, a badminton court, a wrestling range, an archery range, various amusement facilities for children, benches, and pavilion.



San 16-46, Gwangjang-dong, Gwangjin-gu, Seoul-si[Google Map]



N/A (Open all year round)



Homepage: (Korean, English, Japanese, Chinese)



How To Use


Parking Facilities: 

* Parking fees - 300 won for every 10 mins





Achasan Station (Seoul Subway Line 5) Exit 2
- Walk beside Dongui Elementary School and there is the entrance of Achasan. From there walk about 10 min further.

Achasan Station (Seoul Subway Line 5), Exit 3.
- Take taxi (approx.15 mins)



Additional Info


Admission Fees: 



Facilities for the Handicapped: 

Designated toilet





tel: +82-2-450-1655, 1395

zipcode: 04963

accomcount: 100 people

infocenter: • 1330 Travel Hotline: +82-2-1330
(Korean, English, Japanese, Chinese)
• For more info: +82-2-450-1655, 1395

usetime: 24 hours

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