The prison was originally constructed to hold 500 inmates but reached a population of over 3,000 during the height of the colonial era.
Yu Gwan-sun, a famous independence activist, died in the prison at the age of 17 due to injuries sustained from torture.
The facility features an underground tunnel once used to transport the bodies of executed prisoners out of the complex secretly.
The original red-brick architecture remains largely intact, offering an authentic look at early 20th-century colonial penal design.
A specific section of the museum displays the 'wooden boxes' used to transport the remains of martyrs after execution.
Seodaemun Prison History Hall is a museum complex located on the site of a prison originally opened in 1908 to house political activists during the Japanese colonial occupation of Korea. The site features original prison buildings, execution chambers, and isolation cells preserved to document the struggle for Korean independence. It served as the primary incarceration facility for Korean freedom fighters until 1945. The museum grounds include the Main Prison Building, the Execution Building, and a solitary confinement block. Displays focus on the torture methods used by the colonial authorities and the biographies of prominent independence activists. The site transitioned from an active prison to a historical monument in 1998. It is situated within the Seodaemun Independence Park area.
The watchtower and the long, linear corridor of the prison blocks provide the most striking perspectives of the architecture.
Begin your tour at the Exhibition Hall to understand the historical context before entering the actual prison blocks.
Allow extra time to walk the outdoor path between the various cell blocks to see the guard towers.
Wear comfortable, flat footwear as the site includes uneven ground and multiple sets of steep, narrow staircases within the cell blocks.
Do not rush through the solitary confinement cells, as they are central to understanding the historical gravity of the site.
Closed on Mondays and the day following national holidays.
Maintain a solemn and quiet demeanor throughout the site as it is a memorial to victims of torture and execution.