Onsen saunas in Hakone, Japan
Hakone Kamon Yumeguri Chaya
Ryokan bathing area accessible through an independently bookable day plan; the operator lists its named sauna, Yumatsuri, among the ten bathing features. The day plan includes hot spring access, lunch and a shared rest area.
Hakone Yumoto Onsen Tenseien
Hotel hot spring that also admits walk-in day guests. Its public baths have both dry and steam saunas and cold baths. The operator confirmed on 1 October 2026 that the men’s dry sauna had reopened after maintenance.
Hakone Yuryo
Purpose-built day-trip hot spring at Tonosawa with a sauna and scheduled staff-led löyly in the public bath. The operator says there is no accommodation; admission to the main bath includes the sauna. A free shuttle runs from Hakone Yumoto station.
Yu-dokoro Soun at Yumoto Fujiya Hotel
Hotel bathhouse opposite Hakone Yumoto station with a separate walk-in day-bathing ticket. The operator explicitly lists sauna hours for day guests, including the low-temperature Tron sauna in the women’s bath.
Yunosato Okada
Independent day-use bathhouse on the hill above Hakone Yumoto. Public admission includes a sauna with hourly automatic löyly from noon to 21:00; the sauna itself opens noon to 22:00. Outdoor hot-spring pools and a rest area are also available with a standard bathing ticket.
Hakone Kamon Yumeguri Chaya
Ryokan bathing area accessible through an independently bookable day plan; the operator lists its named sauna, Yumatsuri, among the ten bathing features. The day plan includes hot spring access, lunch and a shared rest area.
Hakone Yumoto Onsen Tenseien
Hotel hot spring that also admits walk-in day guests. Its public baths have both dry and steam saunas and cold baths. The operator confirmed on 1 October 2026 that the men’s dry sauna had reopened after maintenance.
Hakone Yuryo
Purpose-built day-trip hot spring at Tonosawa with a sauna and scheduled staff-led löyly in the public bath. The operator says there is no accommodation; admission to the main bath includes the sauna. A free shuttle runs from Hakone Yumoto station.
Yu-dokoro Soun at Yumoto Fujiya Hotel
Hotel bathhouse opposite Hakone Yumoto station with a separate walk-in day-bathing ticket. The operator explicitly lists sauna hours for day guests, including the low-temperature Tron sauna in the women’s bath.
Yunosato Okada
Independent day-use bathhouse on the hill above Hakone Yumoto. Public admission includes a sauna with hourly automatic löyly from noon to 21:00; the sauna itself opens noon to 22:00. Outdoor hot-spring pools and a rest area are also available with a standard bathing ticket.