＜Hakone Kowakien Yunessun＞A Theme Park Featuring Hot Springs and Outdoor Activities｜Hakone, Odawara, Yugawara, ManazuruFor recommended sightseeing and leisure spots inTabiiro

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.

\Recommended points/

Year-round Fun in Swimwear at a Hot Spring Park

The indoor area of "Yunessun", the swimwear-friendly hot spring zone, features a flowing pool along with playful themed baths such as the wine bath and coffee bath. In the outdoor area, the water slide is heated, allowing for all-season fun in swimwear. The open-air bath overlooking the Hakone Outer Rim Mountains also provides a striking scenic view.

\Recommended points/

A Classic Hakone Onsen Offering a Restful Day Experience

At "Mori no Yu, Authentic Day-use Onsen" the open-air baths and indoor baths offer a sense of spaciousness and calm. The facility includes eight private bathing rooms, creating a dedicated space for families and couples to enjoy a quiet, uninterrupted soak. After bathing, relaxing options such as massages and rest areas are also available.

Detailed information

A Destination Offering More Than a Full Day of Fun

"Hakone Kowakien Yunessun" features several distinct areas, including "Yunessun", the swimwear-friendly hot spring zone; "Mori no Yu", an authentic day-use onsen; "Yama no Ne", a camp-and-spa retreat; and "Tamatebako", a shopping and amusement area. The variety of experiences makes it an appealing destination for groups and families alike, leaving many visitors eager to return.

01. Enjoy private onsen time with luxurious baths amidst nature.
02. Fun activities include traditional festival shooting galleries and a traveling aquarium.
03. "Camp & Spa Yama no Oto" offers a hassle-free glamping experience.

Hakone Kowakien Yunessun

Address

1297 Ninotaira, Hakone Town, 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

Official Website

https://www.yunessun.com/

TEL

+81-460-82-4126Please inform the staff that you found us through "Tabiiro".

FAX

+81-460-82-4135

SNS

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.)

Regular Holiday

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

Fee

[Yunessun (swimsuit area)] Adults: From 2,500 yen, Children: From 1,400 yen, [Motoyu Mori no Yu (hot spring area)] Adults: From 1,500 yen, Children: From 1,000 yen, [Common Passport (Yunessun/Motoyu Mori no Yu)] Adults: From 3,500 yen, Children: From 1,800

Parking