Day Use
YesOpen year-round (closed on the fourth Monday until 16:00).
Adults (junior high school and older) ¥460, middle children (elementary school) ¥150, small children (infants) ¥80 (Kagoshima Prefecture public bath entrance fees, revised December 25, 2023).
Bathing & Water
Uses natural hot spring water
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Policies & Services
Welcomes children and families
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
Highlights
Electric BathPrograms
About
Shiroyama Onsen, located on a hill in Kokubu, Kirishima City, serves as the large bath of City Hotel Inn Kokubu. It is a natural onsen with a sodium chloride bicarbonate spring sourced from 1200 meters underground, rich in salt and iron, giving the water a golden color. The bathhouse features a calm Japanese-style interior and includes a sauna, cold bath, electric bath, lockers with keys, massage machines, and a coin laundry. The cold bath uses Tsutsunokuchi famous water, which is also used throughout the hotel for drinking and daily use. Parking is available for 60 cars.
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Last updated June 25, 2026