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Haemieupseong Fortress: Gates, Village Houses, and a Hilltop Pavilion in Seosan

Jinnammun Gate and stone walls of Haemieupseong Fortress
Jinnammun Gate and stone walls of Haemieupseong Fortress

Seosan City Government · Original · CC BY-SA 4.0 ·

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Jinnammun Gate and stone walls of Haemieupseong Fortress

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The surprise at Haemieupseong comes just after the gate. From outside, the stone wall looks solid and enclosing. Beyond it, the ground opens into lawns, paths, government buildings, and thatched houses, with enough space between them to make their different roles easy to see. This is a good Seosan outing for travelers who want history at walking pace, with the option of a short climb to Cheongheojeong Pavilion. An eupseong was a fortified town enclosing administrative buildings and places where people lived. Haemi began as an early Joseon military stronghold, built between 1417 and 1421. After the provincial military headquarters moved to Cheongju in 1651, the site continued to serve local military and administrative functions. Those changes help explain why a defensive wall surrounds such a varied interior. Begin at Jinnammun, the main southern gate. From Seosan Bus Terminal, plan an onward connection toward Haemi; by car, locate the fortress parking area in relation to the gate. Once inside, a practical sequence takes in the government compound, the folk houses, and, if the steps suit your group, the pavilion. Haemi International Martyrs’ Shrine is outside the fortress and needs a separate leg of the visit.

The Government Compound: Work and Home Behind the Walls

Government office gate bearing the signboard Hoseo Jwayeong
Government office gate bearing the signboard Hoseo Jwayeong

Korea.net / Korean Culture and Information Service (Jeon Han) · Original · CC BY-SA 2.0 ·

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Government office gate bearing the signboard Hoseo Jwayeong

Photo: Korea.net / Korean Culture and Information Service (Jeon Han) · commons.wikimedia.org — Korea Haemieup Wall 12 (14215638152).jpg · CC BY-SA 2.0

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The gateway bearing the Hoseo Jwayeong sign leads into a more formal setting. Painted timber, tiled roofs, enclosing walls, and an open courtyard organize the approach to the government buildings. Take a moment to see that arrangement before going closer. The entrance and courtyard were part of how visitors encountered authority, rather than simply decoration around an attractive old building. Dongheon was the office for the district’s public affairs. Naea was the residence used by the official and his family. Keeping those two functions in mind makes the compound more legible: government work took place near domestic life, but the spaces were distinct. With children, compare the approach to the office with the scale of a house instead of trying to memorize every building name. The site includes reconstructions informed by archaeological research. The national heritage explanation identifies the present Naea as a restoration completed in November 2000 after excavation and study. Read the individual building signs for that distinction between the historic site and the structures now used to explain it. Stone paving, thresholds, and raised floors make access around the buildings different from walking across the open grounds. Follow the visitor route through the courtyards, and assess the entrance to each building separately if someone in your group uses a stroller or wheelchair.

Thatched Houses and Everyday Life

The folk-house area changes the scale of the visit. Low thatched roofs, fences made from plant material, and small yards bring attention to ordinary living spaces after the formality of the government compound. Look at how a path leads past the fence, where the yard sits in relation to the rooms, and how much of daily life would have taken place outside. These are interpretive spaces showing aspects of earlier domestic life, rather than a residential village to wander through. Household tools and reconstructed scenes give you details to investigate beyond the shape of the roofs. Choose one house to look at closely, then compare it with the next; this is often more rewarding than moving quickly past every doorway. Traditional performances and hands-on programs can add another element when they are scheduled. Check Seosan’s cultural facilities program for the date of your visit if a particular performance is important to you. Otherwise, decide after arrival whether an available activity fits around the buildings and walk you came to see. Leave enough time for the program to finish if you plan to continue to the shrine afterward.

Open Paths and the Climb to Cheongheojeong

Cosmos flowers along a walking path inside the fortress
Cosmos flowers along a walking path inside the fortress

Lauman.P.1992 · Original · CC BY-SA 4.0 ·

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Cosmos flowers along a walking path inside the fortress

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Away from the buildings, the interior paths reveal the size of the fortress. Low mountain ridges appear beyond the grounds, and seasonal planting can bring color beside the earth banks. Walking at ground level lets you see the relationship between the wall, the open space, and the clusters of buildings without needing to follow every edge of the enclosure.

Cheongheojeong Pavilion above stone steps at Haemieupseong
Cheongheojeong Pavilion above stone steps at Haemieupseong

Korea.net / Korean Culture and Information Service (Jeon Han) · Original · CC BY-SA 2.0 ·

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Cheongheojeong Pavilion above stone steps at Haemieupseong

Photo: Korea.net / Korean Culture and Information Service (Jeon Han) · commons.wikimedia.org — Korea Haemieup Wall 19 (14031361299).jpg · CC BY-SA 2.0

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Cheongheojeong adds a small hilltop destination. The approach involves an uphill section and stone steps, so make it an option rather than the default route for everyone. Visitors with knee problems or a stroller can stay on the lower paths while others go up. The pavilion’s raised position changes the view after the flatter courtyards and lawns below. Use designated visitor paths rather than climbing onto the earthen ramparts or treating the wall top as an unrestricted walking circuit. The stone steps near the pavilion also deserve care after rain. Pet owners should plan this stop separately from a dog walk. Seosan’s official guidance, checked October 12, 2026, prohibits pets inside the fortress and around its walls. For an evening visit, check the seasonal closing time with the fortress office and allow enough daylight for the pavilion steps; access to the grounds does not necessarily mean every individual building is open.

Haemi’s Catholic History and the Shrine Outside the Fortress

Church and octagonal tower at Haemi International Sanctuary
Church and octagonal tower at Haemi International Sanctuary

Seosan City Government · Original · CC BY-SA 4.0 ·

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Church and octagonal tower at Haemi International Sanctuary

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Haemieupseong also has a painful history connected with the persecution of Catholics during the Joseon period. The reconstructed prison and the old tree associated with that persecution give this story a place within the grounds. Allow time to read the interpretation here. Haemi International Martyrs’ Shrine continues that history beyond the fortress walls, commemorating victims of the persecutions, including many whose names are unknown. It is a separate place of worship and remembrance. Allow time for the journey from the fortress and for a quieter visit at the shrine. The church and octagonal tower give the memorial complex a distinctive silhouette. This is a place of remembrance for the martyrs, including many whose names were not recorded. Keep the visit quiet and follow the shrine’s signs about access and photography. Visitors of different beliefs can approach the grounds respectfully without joining a religious service. Keep conversations low near worship and memorial spaces, follow any photography notices, and give people praying room to remain undisturbed. If a service is underway, adjust your route rather than crossing the congregation to complete a sightseeing circuit. From the shrine, arrange your return connection toward Seosan.

Sources서산시 문화시설사업소 해미읍성 공식소개. 군사거점에서 읍성으로의 역사, 진남문·관아·청허정·옥사·회화나무, 계절별 관람시간과 서산공용터미널→해미 접근·약도 확인. 공식 원문주소 서산시 해미면 남문2로143. 버스배차/공연고정시간은 갱신일2023으로 본문 단정 제외.: https://www.seosan.go.kr/public/contents.do?key=837 국가유산청 국가유산 안내판 내아. 동헌 공무/내아 생활기능 및 발굴고증후2000년복원 확인. 전체목조건축이 조선원형이라는 서술 방지.: https://www.heritage.go.kr/heri/cul/culGuidePostDetail.do?ccbaCpno=1333401160000&ccgbGbtype=IND&ccgbGbtypeNo=5&pageNo=1_5_0_0 서산시 2025-02-25 공식답변 직접확인: 해미읍성 내부 및 성곽주변 반려동물금지. 2026-10-12 조회, 본문 확인일과 변경문의 병기. 개인민원내용/이름은 본문 사용 안 함.: https://www.seosan.go.kr/mayor/selectBbsNttView.do?bbsNo=970&key=4089&nttNo=317052 서산시 문화시설사업소 공연·행사 현행 안내入口. 전통공연은 사진/옛고정시간표를 현재매일공연으로 쓰지 않고 방문날짜 선택안내.: https://www.seosan.go.kr/public/index.do 한국관광공사 해미국제성지: 읍성밖 순교추모 장소와 성당·추모시설, 위치지도. 원문주소 충청남도 서산시 해미면 성지1로13은 공식성지주소와교차확인. 상세주소 본문 제외.: https://korean.visitkorea.or.kr/detail/ms_detail.do?cotid=7b3355a2-4fae-4007-9b6a-eac0d5681980 해미순교자국제성지 공식홈페이지 실제HTML조회. 성지소개·성지순례·도보순례길 안내 관계 확인. 미사/단체예약 시간 수치나 새시설상시개방 주장 제외.: http://www.haemi.or.kr/ 대전교구 세계청년대회 성지소개 해미순교자국제성지. 이름모를 순교자를기리는 성지 맥락 교차확인, 행사년도일정과미래계획 미서술.: https://wyd2027did-daejeon.org/sub02/holy_place.html?language=kor&md=read&no=21 해미순교자국제성지 공식 건축소개. 원형 성당과 팔각 탑 확인, 탑은 종탑이 아니라 파수대를 표현한 구조임. 짧은사진설명은 성당과팔각탑으로 정확히 기록.: http://www.haemi.or.kr/about/architecture 해미순교자국제성지 공식 순례자의 자세. 실제 종교활동 및 경건한 경내방문 취지 확인. 신앙고백이나 후원을 일반여행자의 의무로 요구하지 않음.: http://www.haemi.or.kr/pilgrimage 확인일: 2026-10-12 (Asia/Seoul). 기본 근거: chungcheong-018 한국어 완료 원고의 사실·선택 사진. 영어는 독립 구성·집필. 2026-10-25 최종 검수: 성지 건축설명 원문502. 팔각망루 형태는 가톨릭신문2018 축복식보도와 대조 가능하나, '종탑 아님·공동체 파수' 설계의도는 미확인으로 삭제. 교구공식순례안내가 확인하는 추모공간 설명과 정숙·현장안내 준수로 대체. https://www.catholictimes.org/article/201805290265541 https://wyd2027did-daejeon.org/sub02/holy_place.html?language=kor&md=read&no=21

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