Haemieupseong Walled Town (서산 해미읍성)
143 Nammun 2-ro, Seosan-si, Chungcheongnam-do

Quick answer
Haemieupseong Walled Town (서산 해미읍성) is a attraction in 143 Nammun. Haemieupseong Walled Town is a representative fortress from the Joseon period. Use the address, map link, visitor details, and official links below before deciding whether it fits your Korea itinerary.
About Haemieupseong Walled Town (서산 해미읍성)
Haemieupseong Walled Town is a representative fortress from the Joseon period. Additional famous walled towns in Korea include Gochangeupseong Walled Town and Naganeupseong Walled Town. Haemieupseong Walled Town was established in 1491 during the 22nd year of King Seongjong. Its perimeter is approximately 1.8 kilometers, the x_height is 5 meters, and total area is 196,381 m², making it a huge fortress. Through restoration and purification projects, its old image has been restored as a historic park and it is famous as a site of Catholic martyrs' in the late Joseon era. During the persecution of Catholics, many Catholics from Chungcheong-do were forced to come to Haemieupseong Walled Town where the administration office was located. Upon arrival, they were tortured to death. In particular, approximately 1,000 people are recorded as having been executed during the persecution in 1866. The plaza inside of the fortress has a prison site where Catholics were chained up under the Daewongun government, and a gigantic old tree which was the tree used for torturing. The stones which were used for thrashing are located outside of a fortress gate and have become a holy place.
- Type
- Attraction
- Address
- 143 Nammun 2-ro, Seosan-si, Chungcheongnam-do
- Postal code
- 31960
- Phone
- +82-507-1325-8006
- Opening hours
- March-October 05:00-21:00 / November-February 06:00-19:00
- Fees
- Confirm before visiting
- Parking
- Available
- Updated
- 2025-08-06
- Data last synced
- 2026-06-25
Best for
- First-time visitors comparing Korea places by area.
- Travelers who need official address and map context.
- Visitors building a day route with nearby attractions.
Visitor tips
- 1
Check current opening hours, tickets, reservations, and holiday notices before visiting Haemieupseong Walled Town (서산 해미읍성).
- 2
Save the Korean address and nearest station or landmark before leaving your hotel.
- 3
Prepare a taxi destination card if you are arriving late, carrying luggage, or traveling with family.
Directions and official information
Open this location in Google Maps. Confirm official access details before visiting.
External sites open in a new tab.
Address tools
Use these tools when a taxi driver, hotel, shopping form, or delivery service needs a Korean address, postal code, phone number, or destination card.
Haemieupseong Walled Town (서산 해미읍성) FAQ
Where is Haemieupseong Walled Town (서산 해미읍성) located?
143 Nammun 2-ro, Seosan-si, Chungcheongnam-do
How can I check current opening information?
Use the official tourism or place website before visiting because operating information can change.
How do I find nearby places?
Return to the Korea travel list to explore more official attractions and destinations.
Can I rely on this page as official information?
No. Use ComeKR as practical travel guidance and confirm opening hours, prices, reservations, transport details, and notices with official or provider sources before visiting.