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# Haemang-Gul (Haemanggul Tunnel), Gunsan: what it is and why it’s historically significant

Jump to: How to find it · Context: Gunsan’s “Time Travel Village” stops

Haemang-Gul (해망굴), also known in English as Haemanggul Tunnel, Gunsan, is a semi-circular stone tunnel built in 1926 to connect Jungang-ro (the road in front of the former Gunsan City Hall) with Haemang-dong, described by the Gunsan City tourism site as a center for the seafood trade.

It’s recognized as a National Registered Cultural Heritage (국가등록문화유산), recorded as Registered Cultural Heritage No. 184, with a registration date of 2005-06-18. Portal

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## Fast facts you can verify

– Name (Korean / Hanja / English): 군산 해망굴 (群山 海望堀) / Haemanggul Tunnel, Gunsan Portal
– Address (city tourism listing): 전북특별자치도 군산시 해망동 1000-21
– Address (heritage portal listing): 전북 군산시 중앙로 255, 외 3필지, 금동 9-3 외 4필지 (해망동) Portal
– Dimensions: 131 m long, 4.5 m high
– Structure/type: described as stone (석조) and a representative civil engineering structure showing the modern-era city of Gunsan
– Current access: the Gunsan tourism site states vehicle entry is blocked and only pedestrians can pass through

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## What Haemang-Gul was built for

Two public sources describe the tunnel’s purpose in aligned terms:

– Gunsan City tourism page: Haemang-Gul is a tunnel that cuts through Haemangnyeong (해망령) at the north end of Wolmyeongsan (월명산), created to connect Haemang-dong and Gunsan city center; it links its completion to the 3rd phase of Gunsan Port expansion works, which included things like expanding freight-handling facilities and building warehouses.
– Korea Heritage Service digital record: it was built in 1926 to connect Jungang-ro (the road in front of the old city hall) with Haemang-dong, again framing it as a prominent civil engineering facility of modern Gunsan.

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## The tunnel’s “hard history” layer

Haemang-Gul isn’t just infrastructure—it’s repeatedly documented as a place where later conflict left physical traces.

– The Korea Heritage Service digital record says that during the Korean War, a North Korean military command headquarters was located inside the tunnel and that it was attacked by Allied aircraft.
– The Gunsan City tourism page similarly notes that the tunnel was used as a command post and states it was subjected to repeated attacks, described as leaving bullet marks.
– The Korea Museum of Contemporary History archive (근현대사아카이브) provides additional context: it describes Haemang-Gul as opened in October 1926 as a tunnel connecting the port area and the city center amid port expansion, and says it is said that many Korean laborers died during the difficult construction process (a point the archive explicitly frames as “it is said”). It also states that traces of bullets remain around the entrance and confirms that vehicle traffic is now prohibited, leaving it as a pedestrian passage.

This combination—modern port-city logistics, colonial-era development, war-time use, and later heritage protection—is why the tunnel gets included in Gunsan’s “modern history” sightseeing narratives.

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## What to look for when you walk through

Everything below is grounded in official descriptions of the site rather than subjective “must-see” claims:

– The tunnel form: it’s described as a semi-circular tunnel with a clear stated height (4.5 m) and length (131 m), which helps you understand what you’re looking at as a designed civil engineering structure rather than a natural cave.
– Heritage framing: it is classified as a registered cultural heritage under “public-use facilities,” which is a clue that its significance is tied to infrastructure and urban history. Portal
– War-time traces (as reported): multiple official narratives link the tunnel to Korean War attacks and mention bullet traces/marks around the entrance area.

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## How to find Haemang-Gul

Use whichever identifier matches your navigation app or map source:

– Korean address format (tourism page): “전북특별자치도 군산시 해망동 1000-21”
– Alternate heritage listing address: “전북 군산시 중앙로 255 … (해망동)” Portal
– Search term that usually works best in Korea: “해망굴” (Haemang-gul)
– Coordinates from your dataset: 35.991666, 126.704233 (useful if you’re pinning the point directly)

Access note (factual): official Gunsan tourism information states the tunnel is pedestrian-only due to vehicle entry being blocked.

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## Pair it with Gunsan’s “Time Travel Village” stops

Haemang-Gul appears within Gunsan’s tourism content under “Time Travel Village” (시간여행마을) travel-course navigation, alongside other named sites such as:

– 근대역사박물관 (Gunsan Modern History Museum)
– 호남관세박물관
– 근대미술관
– 장미갤러리
– 근대건축관
– 진포 해양테마 공원(위봉함)
– 뜬다리 부두
– 초원사진관
– 군산신흥동 일본식 가옥
– 여미랑
– 군산 항쟁관
– 동국사 대웅전

I’m listing them exactly because they appear as part of the same official tourism section—useful if you’re building a half-day walk focused on Gunsan’s modern-era built environment rather than a single standalone stop.

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## Preservation and change over time (what’s documented)

If you care about how the site has been maintained (and why it looks the way it does), the Korea Heritage Service digital record provides a timeline that includes:

– 1926: construction (건립)
– 2005: cultural heritage registration as No. 184
– 2009: tunnel reinforcement work
– 2014: special comprehensive inspection (noted as needing maintenance) and tunnel repair + surrounding maintenance
– 2018: cleaning/painting work and repair of damaged tiles
– 2020–2021: repair work and measurement/monitoring

This is a strong signal that what you see today reflects multiple rounds of upkeep—useful context if you’re trying to photograph or interpret “original vs. maintained” elements.

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## Outdated-data flags (things you should verify right before you go)

These aren’t claims about current conditions—just the practical reality that certain visitor-facing details change faster than heritage listings:

– Opening hours / lighting / temporary closures: heritage registration details and city descriptions don’t guarantee day-to-day access rules; confirm with the latest official tourism updates or current map listings.
– Ratings: your dataset lists a 3.8 rating, but online ratings can change quickly with review volume and platform differences—treat any rating as time-sensitive.

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## Why Haemang-Gul fits a “modern Korea” itinerary

If you’re building a Gunsan route around documented history rather than “photo spots,” Haemang-Gul works because it is explicitly recorded as:

– a 1926 civil engineering project tied to port-city logistics and urban connection,
– a Korean War historical site linked to attacks and physical traces,
– and a protected Registered Cultural Heritage with a clear administrative record. Portal