Spectacular open-air baths overlooking Kinko Bay and Sakurajima, plus the natural alkaline hot spring "Zaio Onsen"
Kagoshima Tarumizu City
"Onsen Yado Hakobako" is an accommodation in Tarumizu City, Kagoshima Prefecture, where guests can luxuriate in the natural alkaline hot spring water known as "Zaio Onsen." Every bath is fed by free-flowing natural spring water, and the silky, gentle pH 8.9 water is one of its proud features. From the open-air bath, guests can take in a magnificent view of Sakurajima across Kinko Bay and enjoy a blissful moment in a spacious, refreshing setting. Another highlight is the variety of baths, including the women-only "Mihou no Yu" and the nearby "Sarugajo Radon Onsen," which hotel guests can also use.
TypeNatural Hot Spring
An open-air bath with an outstanding sense of openness, facing a sweeping panorama of Kinko Bay and Sakurajima. It uses the natural alkaline hot spring water "Zaio Onsen," gushing from about 1,000 meters underground, in luxurious free-flowing fashion. Known for its mild, skin-friendly texture, it lets you soak leisurely while feeling the sea breeze, gently melting away your daily fatigue.
TypeNatural Hot Spring
A women-only bath where you can fully savor "Zaio Onsen" in a luxurious, relaxing setting. In the clean indoor space, the natural alkaline minerals gently envelop the skin, and after bathing you can feel its smooth, moisturized finish. It is a special space where you can refresh both body and mind in a calm, private atmosphere.
TypeNatural Hot Spring
A radon hot spring located about 15 minutes by car from the facility, available to overnight guests. You can enjoy natural hot spring water containing rare radon in free-flowing form. Radon baths are expected to help promote metabolism and boost immunity, making them ideal for health-oriented bathing. Surrounded by abundant nature, it offers a setting where you can reset both body and mind from the inside out.
TypeSpecialty Bath
A novel heat experience in which you immerse your whole body in a bath lined with ceramic balls made from natural stone. Thanks to far-infrared and heating effects, your body warms gradually from deep within, and you can enjoy an invigorating sweat distinct from that of an ordinary sauna. In a private space by advance reservation only, you can spend a luxurious moment with expected detox benefits.
Closed Days: None
629 Jonai, Hamahira, Tarumizu City, Kagoshima 891-2115
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
Spectacular open-air baths overlooking Kinko Bay and Sakurajima, plus the natural alkaline hot spring "Zaio Onsen"
Kagoshima Tarumizu City
"Onsen Yado Hakobako" is an accommodation in Tarumizu City, Kagoshima Prefecture, where guests can luxuriate in the natural alkaline hot spring water known as "Zaio Onsen." Every bath is fed by free-flowing natural spring water, and the silky, gentle pH 8.9 water is one of its proud features. From the open-air bath, guests can take in a magnificent view of Sakurajima across Kinko Bay and enjoy a blissful moment in a spacious, refreshing setting. Another highlight is the variety of baths, including the women-only "Mihou no Yu" and the nearby "Sarugajo Radon Onsen," which hotel guests can also use.
TypeNatural Hot Spring
An open-air bath with an outstanding sense of openness, facing a sweeping panorama of Kinko Bay and Sakurajima. It uses the natural alkaline hot spring water "Zaio Onsen," gushing from about 1,000 meters underground, in luxurious free-flowing fashion. Known for its mild, skin-friendly texture, it lets you soak leisurely while feeling the sea breeze, gently melting away your daily fatigue.
TypeNatural Hot Spring
A women-only bath where you can fully savor "Zaio Onsen" in a luxurious, relaxing setting. In the clean indoor space, the natural alkaline minerals gently envelop the skin, and after bathing you can feel its smooth, moisturized finish. It is a special space where you can refresh both body and mind in a calm, private atmosphere.
TypeNatural Hot Spring
A radon hot spring located about 15 minutes by car from the facility, available to overnight guests. You can enjoy natural hot spring water containing rare radon in free-flowing form. Radon baths are expected to help promote metabolism and boost immunity, making them ideal for health-oriented bathing. Surrounded by abundant nature, it offers a setting where you can reset both body and mind from the inside out.
TypeSpecialty Bath
A novel heat experience in which you immerse your whole body in a bath lined with ceramic balls made from natural stone. Thanks to far-infrared and heating effects, your body warms gradually from deep within, and you can enjoy an invigorating sweat distinct from that of an ordinary sauna. In a private space by advance reservation only, you can spend a luxurious moment with expected detox benefits.
Closed Days: None
629 Jonai, Hamahira, Tarumizu City, Kagoshima 891-2115
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