Hwadamwon Asan Branch | Restaurant Guide | K-Travel Mate

Onyang Oncheon Land is a comprehensive hot spring water park located in downtown Asan (Onyang). Onyang Oncheon is the oldest hot spring in Korea, with a history recorded to be about 1,300 years, dating back to the Baekje and Unified Silla periods. During the Joseon Dynasty, it was a place where several kings, including King Sejong the Great, Sejo, Sukjong, Yeongjo, and Jeongjo, stayed for leisure or healing purposes. Onyang Oncheon Land offers hot spring baths (sauna), jjimjilbang (Korean sauna), a children's hot spring (kids water park), and a gym, allowing people of all ages to enjoy the Onyang hot spring water. The site supplies natural alkaline hot spring water (pH 8.42) throughout all facilities without any processing. Onyang Oncheon is a traditional hot spring renowned for its top-quality water in Korea, with various amenities making it an ideal place for rest and healing. Onyang Oncheon Land can be accessed via National Routes 21 and 45 through Oncheon-daero, Chungmu-ro, and Munhwa-ro; the closest highway interchange is Asan-Hyeonchungsa IC on the Asan-Cheonan Expressway. For public transportation, visitors can use the Janghang Line railway and the Seoul Metropolitan Subway Line 1 at Onyang Oncheon Station.