Seosan Haemieupseong Fortress Festival (서산해미읍성축제)

The 23rd Seosan Haemi Eupseong Festival will be held from October 9 to 11, 2026, at Seosan Haemieupseong Walled Town. Under this year’s theme, “HAEMI UNIVERSE: 1421, The Gate of Time Opens,” the festival draws on the fortress’s 600-year history through performances and hands-on activities inspired by the site and its stories. Highlights include King Taejong’s Gangmu Procession, the Daedong Fortress Construction Procession, a themed performance, a drone light show, a Black Eagles flyover, and Haemi the Classic. Visitors can also take part in RPG: Return to Haemi, try on traditional costumes, and enjoy horseback riding, traditional Korean archery, and calligraphy. After dark, light projections and illuminations transform parts of the fortress, while performances by local artists and a traditional wedding program offer visitors a taste of local culture.

Event Program

Opening Ceremony, Themed Performance ("Become the Moon"), King Taejong’s Gangmu Procession & Daedong Fortress Construction Procession, Drone Light Show, Black Eagles Flyover, Haemi the Classic, Martial Arts Performance, Seosan Heritage, Haemi in K-Street, Guest Artist Performances, Haemi EDM Party, and more  

Start date

2026-10-09  

End Date

2026-10-11  

Performance Time

10:00~22:00  

Venue

Haemieupseong Walled Town, Seosan  

Fee

Free(Some fees apply)  

Organizer

Seosan Arts & Culture Foundation  

Host Company

Seosan-si  

Host's Contact Information

+82-41-681-3560  

Introduction

Seosan Haemieupseong Festival is held every October at Haemieupseong Walled Town, a fortress with over 600 years of history. Various events and programs are offered including an overnight program in front of the fortress. Exciting performances such as a reenactment parade, traditional music performances, and fireworks are also planned.

Programs

Picnic program, stage performance, drone show, etc.