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First published
Oct 26, 2026

Seosaengpo Waeseong Fortress, Ulju

A Japanese-style stone fortress built in 1592–1593 during the Imjin War, with defensive sections extending down from the mountaintop.

Address
711 Seosaeng-ri, Seosaeng-myeon, Ulju-gun, Ulsan
Nearby transit
The fortress is in Seosaeng-ri, Ulju-gun. Expect hill walking and follow on-site directions.
Hours
VisitKorea lists free admission but does not specify detailed opening hours.
Open NAVER Map Official info
Why it matters now

A worthwhile permanent heritage stop; verify the current walking route and site conditions before visiting.

Why go

Explore late-sixteenth-century fortification techniques and the war history of the region. The remains occupy hilly terrain.

Practical Korea

Plan the visit

Use the confirmed place facts below, then continue to the broader travel guides for transport, facilities and eating practicalities.

Open travel information →
Getting thereThe fortress is in Seosaeng-ri, Ulju-gun. Expect hill walking and follow on-site directions.Find directions on NAVER Map ↗711 Seosaeng-ri, Seosaeng-myeon, Ulju-gun, Ulsan
Nearby facilities & servicesOpen guide →VisitKorea lists free admission but does not specify detailed opening hours.
Food & eatingOpen guide →
Area guideOpen guide →