An inn surrounded by sky, sea, and sunset, where you can relax in a renowned free-flowing hot spring and sauna.
Nagasaki Unzen City
A scenic inn in Obama Onsen, Unzen City, Nagasaki Prefecture, with ocean-view rooms throughout. Its pride and joy is the hot spring, which uses 100% free-flowing water from the abundant source of Obama Onsen. The large public bath is equipped with a dry sauna and a cold plunge bath made with a Shigaraki ware tub, allowing guests to enjoy alternating hot-and-cold bathing while gazing out at the calm sea of Tachibana Bay. At dusk, the terrace and lounge offer an overwhelming sunset show, with the sky and sea turning golden.
TypeNatural Hot Spring
Using 100% free-flowing water from the source of Obama Onsen, one of Japan's hottest hot spring areas. The salt-containing water has excellent heat-retaining properties, so you stay warm for a long time. Its gently smooth, mildly alkaline water softens the skin and warms you from the core, helping to ease both body and mind.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity4people
A compact dry sauna located next to the large public bath. The far-infrared heat gradually penetrates deep into the body, encouraging a pleasant sweat. In this quiet space, you can wash away daily fatigue with perspiration and be led into a deeply relaxed state.
Closed Days: None
〒854-0514 Nagasaki Prefecture, Unzen City, Obama Town, Kitamotocho 942-8
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 moreAn inn surrounded by sky, sea, and sunset, where you can relax in a renowned free-flowing hot spring and sauna.
Nagasaki Unzen City
A scenic inn in Obama Onsen, Unzen City, Nagasaki Prefecture, with ocean-view rooms throughout. Its pride and joy is the hot spring, which uses 100% free-flowing water from the abundant source of Obama Onsen. The large public bath is equipped with a dry sauna and a cold plunge bath made with a Shigaraki ware tub, allowing guests to enjoy alternating hot-and-cold bathing while gazing out at the calm sea of Tachibana Bay. At dusk, the terrace and lounge offer an overwhelming sunset show, with the sky and sea turning golden.
TypeNatural Hot Spring
Using 100% free-flowing water from the source of Obama Onsen, one of Japan's hottest hot spring areas. The salt-containing water has excellent heat-retaining properties, so you stay warm for a long time. Its gently smooth, mildly alkaline water softens the skin and warms you from the core, helping to ease both body and mind.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity4people
A compact dry sauna located next to the large public bath. The far-infrared heat gradually penetrates deep into the body, encouraging a pleasant sweat. In this quiet space, you can wash away daily fatigue with perspiration and be led into a deeply relaxed state.
Closed Days: None
〒854-0514 Nagasaki Prefecture, Unzen City, Obama Town, Kitamotocho 942-8
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