Maruo Onsen (Kirishima Onsen-kyo)
丸尾温泉（霧島温泉郷）まるおおんせん（きりしまおんせんきょう）
Day Use
Yes露天風呂「白紫乃湯」女湯 / 男湯 / 金曜定休（10:00～15:00） / 年末年始 / GW / お盆
Adults ¥1,200 / elementary school students ¥600 / children (3+) ¥300. Sand bath (霧砂) is separate: day-use ¥2,500/adult. Private bath (山霧) additional fee. Last entry 14:00.
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
ForestHighlights
Sand Bath
Steam Sauna
GanbanyokuAbout
The bathing facilities at Kirishima Kokusai Hotel are open to day visitors as well as guests. The water is a milky white sulfur spring with a noticeable smell and a tendency to leave white mineral flakes on the skin (posted signs around the baths explain it's just natural deposits). There are open-air baths set among trees, a large indoor bath, a bedrock sauna (ganbanyoku, 岩盤浴), a steam bath, a cold bath, and a private reserved bath (kashikiri, 貸切風呂) for groups or families. A sand bath (sunayu, 砂むし温泉), the first of its kind in the Kirishima area, opened in June 2026 and has its own separate hours and entry.
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