Iki Yunomoto Onsen

Iki Yunomoto Onsen is the most celebrated hot spring on Iki Island, Iki City, Nagasaki Prefecture, a saline thermal spring that has been known since ancient times as the finest bathing resource on this island situated in the Korea Strait between Kyushu and the Korean Peninsula, historically a gateway for continental culture entering Japan. Iki Island, which is part of the Saikai National Park, preserves a remarkable density of ancient burial mounds and archaeological sites from the Yayoi period, reflecting its historical importance as a stepping stone in the maritime exchanges between the Korean Peninsula and the Japanese archipelago that shaped the early development of Japanese civilization. The saline mineral waters of Iki Yunomoto Onsen have been known to generations of island residents as an essential community bathing resource, combining the therapeutic warmth of the spring with the salt-rich mineral character that provides nourishment and warmth particularly valued in the maritime climate of this island prefecture.