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Kanagawa

With the current sauna boom, more and more facilities are offering stylish ways to enjoy saunas. From saunas at spa facilities to private saunas, tent saunas, and places where you can experience loryu, the options are diverse. Here, we present the popular ranking of sauna facilities chosen by Tabiiro readers.

Updated every Monday: Calculated based on number of views over 30 days

1

Hakone Kowakien Yunessun

箱根小涌園ユネッサン

Kanagawa

Kanagawa

Hakone Kowakien Yunessun

箱根小涌園ユネッサン

A Theme Park Featuring Hot Springs and Outdoor Activities

A colorful mix of experiences comes together at this hot spring theme park—swimming in pools, relaxing in natural hot springs, enjoying outdoor activities, savoring generous meals, and browsing for souvenirs. At "Yunessun", the swimwear-friendly hot spring area, visitors find not only a flowing pool but also unique baths such as the wine bath. "Mori no Yu", the authentic day-use onsen, offers scenic open-air baths and private bathing rooms, creating a serene setting for an unhurried hot spring retreat.

View Details ▸ Official Website ▸

Data

【Business hours】 Yunessun Swimsuit Area: 10:00 A.M. to 6:00 P.M. *9:00 A.M. to 7:00 P.M. on Saturdays, Sundays, holidays, and busy seasons, Motoyu Mori no Yu (hot spring area): 11:00 A.M. to 8:00 P.M. (Last entry: 7:30 P.M.)

【Address】

箱根町二ノ平1297, Ashigarashimo County, Kanagawa

【Access】

[Car] 30 minutes from Seisho Bypass/Odawara Hakone Road Hakoneguchi IC; [Train] 30 minutes by car from Odawara Station on the JR Tokaido Shinkansen [Bus] A short walk from the "Kowakien" stop on the Hakone Tozan Bus/Izu Hakone Bus bound for Hakone-machi Port

【Tel】

+81-460-82-4126

【Closed days】 Closed on irregular days *Closed from December 9th to 11th, 2025 due to facility maintenance

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