A stunning view of Hashiguiiwa and a pleasant sea breeze from the hilltop at the southernmost point of Honshu, with an open-air bath
Wakayama Kushimoto Town
"Mercure Wakayama Kushimoto Resort & Spa" is an all-inclusive hot spring resort hotel in Kushimoto Town, Higashimuro District, Wakayama Prefecture, at the southernmost point of the main island of Honshu. It boasts spectacular views overlooking the national natural monument Hashiguiiwa, Kii Oshima, and the endlessly stretching Pacific Ocean. The large public bath features a spacious indoor bath with hot spring water from Kushimoto Onsen, a chloride spring that gently soothes the fatigue of travel, as well as the outdoor rock bath "Kuroshio no Yu," where you can soak in breathtaking scenery. In addition, the large public bath, with sauna available only in the afternoon session, is equipped with a dry sauna that warms you thoroughly and a cold plunge bath, and the outdoor relaxation area on the rocks lets you enjoy a pleasant sea breeze from the Pacific while taking an open-air rest.
TypeNatural Hot Spring
An open-air rock bath with a sweeping panoramic view from a hilltop, overlooking the national natural monument Hashiguiiwa, Kii Oshima, and the vast Pacific Ocean stretching out endlessly. It uses the rich chloride spring water of Kushimoto Onsen. Soaking while watching the morning sun rise or the star-filled night sky, and feeling the refreshing wind from the sea, is the very height of luxury.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A dry sauna located inside both the men's and women's large public baths, open only in the evening to night hours. It features two tiers of seating, and the relatively large sauna stove stands in the calm interior. Gentle, steady heat slowly warms your whole body and encourages a pleasant sweat along with the fatigue of the day.
Water QualityTap Water
Capacity2people
A compact cold plunge bath set right near the sauna room. Its moderate coolness is easy on the body, allowing you to sink in slowly without putting undue strain on yourself. The clear water gently cools down your overheated body after the sauna and offers an exceptional refreshment time.
Closed Days: None
1184-10 Sangodai, Kushimoto Town, Higashimuro District, Wakayama Prefecture 649-3510
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn moreA stunning view of Hashiguiiwa and a pleasant sea breeze from the hilltop at the southernmost point of Honshu, with an open-air bath
Wakayama Kushimoto Town
"Mercure Wakayama Kushimoto Resort & Spa" is an all-inclusive hot spring resort hotel in Kushimoto Town, Higashimuro District, Wakayama Prefecture, at the southernmost point of the main island of Honshu. It boasts spectacular views overlooking the national natural monument Hashiguiiwa, Kii Oshima, and the endlessly stretching Pacific Ocean. The large public bath features a spacious indoor bath with hot spring water from Kushimoto Onsen, a chloride spring that gently soothes the fatigue of travel, as well as the outdoor rock bath "Kuroshio no Yu," where you can soak in breathtaking scenery. In addition, the large public bath, with sauna available only in the afternoon session, is equipped with a dry sauna that warms you thoroughly and a cold plunge bath, and the outdoor relaxation area on the rocks lets you enjoy a pleasant sea breeze from the Pacific while taking an open-air rest.
TypeNatural Hot Spring
An open-air rock bath with a sweeping panoramic view from a hilltop, overlooking the national natural monument Hashiguiiwa, Kii Oshima, and the vast Pacific Ocean stretching out endlessly. It uses the rich chloride spring water of Kushimoto Onsen. Soaking while watching the morning sun rise or the star-filled night sky, and feeling the refreshing wind from the sea, is the very height of luxury.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A dry sauna located inside both the men's and women's large public baths, open only in the evening to night hours. It features two tiers of seating, and the relatively large sauna stove stands in the calm interior. Gentle, steady heat slowly warms your whole body and encourages a pleasant sweat along with the fatigue of the day.
Water QualityTap Water
Capacity2people
A compact cold plunge bath set right near the sauna room. Its moderate coolness is easy on the body, allowing you to sink in slowly without putting undue strain on yourself. The clear water gently cools down your overheated body after the sauna and offers an exceptional refreshment time.
Closed Days: None
1184-10 Sangodai, Kushimoto Town, Higashimuro District, Wakayama Prefecture 649-3510
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more