The tunnel was engineered specifically to mimic the natural subterranean conditions historically used by locals to age Gochujang during the winter.
It stores thousands of traditional earthenware jars known as ong-gi, which are breathable vessels essential for long-term fermentation.
The facility maintains a constant year-round temperature to stabilize microbial activity in the stored sauces.
Some of the displayed sauces include rare and international varieties, highlighting the global history of fermentation.
The interior design incorporates light and shadow installations to visualize the invisible chemical processes of fermentation.
Sunchang Fermented Sauce Cave is a unique exhibition facility built inside a purpose-built tunnel designed to maintain an ideal climate for aging fermented sauces. It houses an extensive collection of global fermented sauces alongside Sunchang's famous traditional Gochujang and soybean pastes. The space features climate-controlled storage zones where regional manufacturers store their products for natural maturation. Visitors can walk through immersive media art corridors that depict the science of fermentation and the history of Korean sauce culture. The facility serves as the centerpiece of Sunchang's industrial strategy to modernize traditional fermentation practices. Interactive displays allow guests to learn about the microbial processes responsible for the flavor profiles of various vinegars, soy sauces, and fermented pastes. It is situated within a larger complex dedicated to the research and promotion of the region’s fermentation heritage.
The illuminated media art tunnel, which uses colorful LED projections to represent fermentation microbes.
Bring a light jacket as the tunnel interior is kept at a cool, consistent temperature regardless of the outside weather.
Visit the adjacent Sunchang Fermentation Theme Park complex to participate in hands-on sauce-making workshops.
Focus your time on the interactive media zones, as they provide the most comprehensive explanation of the fermentation process.
Do not treat the exhibits as purely decorative; the jars inside are active, aging products belonging to local businesses.
Closed on Mondays and major public holidays.
Maintain a quiet volume inside the tunnel to respect the research environment; do not touch the sealed fermentation jars.
