description Onyang Onsen Overview
Onyang Onsen, located in Asan, South Chungcheong Province, is recognized as the oldest hot spring facility in South Korea, with a recorded history of therapeutic use dating back over 1,300 years. The mineral water emerges at high temperatures and is utilized by numerous large hotels, resorts, and public bathhouses in the area. Historically frequented by Korean royalty, the springs continue to operate as a center for thermal tourism.
help Onyang Onsen FAQ
Where is Onyang Onsen located?
Onyang Onsen is in Asan, South Chungcheong Province, South Korea. It is a hot-spring district rather than a single isolated bathhouse. [Visit Korea](https://english.visitkorea.or.kr/svc/whereToGo/locIntrdn/rgnContentsView.do?vcontsId=110957)
Why is Onyang Onsen historically important?
It is recognized as Korea's oldest hot-spring complex and was visited by Joseon kings between 1392 and 1897. Its long history is one reason Asan remains associated with therapeutic bathing. [Visit Korea](https://english.visitkorea.or.kr/svc/whereToGo/locIntrdn/rgnContentsView.do?vcontsId=110957)
How hot is the water at Onyang Onsen?
The water is reported at approximately 44 to 60 degrees Celsius. Visitors should follow the temperature guidance of the individual bathhouse or hotel because facilities may cool or blend the spring water. [Visit Korea](https://english.visitkorea.or.kr/svc/whereToGo/locIntrdn/rgnContentsView.do?vcontsId=110957)
Is Onyang Onsen only one traditional spa?
No. Onyang is a broader hot-spring area with multiple hotels, public bathing facilities, and other visitor services in Asan. The exact pools, temperatures, and admission policies depend on the facility you choose. [Visit Korea](https://english.visitkorea.or.kr/svc/whereToGo/locIntrdn/rgnContentsView.do?vcontsId=110957)
explore Explore More
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
