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Highlights
- Enjoy complete entry to YUNESSUN's indoor/outdoor pools, themed bathing areas, saunas, and family-oriented play zones.
- Experience the playful relaxation of wine, coffee, green tea, and sake baths at YUNESSUN for a unique twist on leisure time.
- While kids enjoy BOXAPPY’s Jungle Gym and Splish-Splash pools, adults can relax in saunas or relax in the Green Terrace Jacuzzi.
- Explore Hakone's natural splendor with open-air baths set against mountainous backdrops offering serene views.
- Upgrade your visit to include Mori no Yu’s pottery bath, cypress bath (for women only), private rooms, and special event baths—reservation required.
Your Experience
Your adventure begins with complete access to both the YUNESSUN swimsuit spa area and Mori no Yu hot spring section at Hakone’s celebrated spa resort.
What to Expect
The experience kicks off at the main entrance, where your ticket is checked and you receive a brief introduction on how to enjoy the facilities respectfully. Follow signs leading to changing rooms before selecting whether to start in the swimsuit-required YUNESSUN area or traditional hot spring Mori no Yu.
Hakone Kowakien Yunessun
Situated 600 meters above sea level in Hakone, this expansive spa combines playful themed baths with authentic Japanese onsen traditions. The resort is divided into two main areas: YUNESSUN (swimsuit required) and Mori no Yu (traditional hot spring).
Features
- In the YUNESSUN Area, guests can explore a variety of indoor and outdoor pools like the Aegean Sea of Gods, cave baths, and Dragon’s Waterfall. Themed baths offer distinct experiences with wine, coffee, green tea, and sake (note: do not consume bath liquids).
- Family-Friendly Pools are available for children at BOXAPPY’s Jungle Gym and Splish-Splash pools, ensuring safe water play.
- The Green Terrace provides relaxation in three distinct baths and a Jacuzzi. Special events occasionally enhance the experience with nighttime lighting creating an inviting atmosphere.
- Mori no Yu Area offers traditional Japanese bathing experiences through indoor and outdoor hot springs, pottery baths, and female-only cypress bath options. Gender-specific saunas include dry and mist varieties.
- Scenic Views: Open-air baths in Mori no Yu offer serene mountain views that are particularly stunning at dusk.
- Private Rooms: Guests with tattoos can reserve private rooms in the Mori no Yu area for a discreet bathing experience.
- Practical Notes: Note that outdoor hot springs in YUNESSUN close during winter. Bath towels are not permitted, and certain facilities have gender or age restrictions.
Exclusions
The Dr. Fish foot bath is excluded from general admission and requires an additional fee (minimum age: 3 years).
Inclusions & Exclusions
- Themed baths featuring wine, coffee, green tea, and sake
- Indoor and outdoor pools available for relaxation
- Kids’ play zones designed for fun and engagement
- Cave baths providing a distinct experience
- Waterfalls adding to the natural beauty of the area
- Saunas offering rejuvenating heat therapy
- Aegean Sea of Gods pool, an exclusive feature
- Open-air baths allowing fresh air immersion
- Cypress bath (female only) for privacy and relaxation
- Pottery bath with a unique aesthetic appeal
- Indoor baths providing comfort in any weather
- Gender-specific saunas ensuring personalized experiences
- Dr. Fish foot spa treatment, extra charge ¥300 per person
This product offers multiple ticket options. Some items above (like transfers or fast-track access) may only apply to specific options — confirm what's included when you select yours.
Must Know
- Bring a valid photo ID to match the name on your booking if requested at the entrance.
- Swimwear is required in the YUNESSUN area; bring your own or rent on site.
- Bring your own towels or rent them at the facility, as towels are not allowed in the baths.
- Consider bringing a change of clothes and toiletries for after your visit.
- Towels are not allowed in any of the baths, especially in the Mori no Yu area and cypress bath.
- Drinking of bath liquids (wine, coffee, green tea, Japanese sake, etc.) is strictly prohibited.
- Tattoos are not permitted in the Mori no Yu area, except in reserved private rooms with baths. Covered tattoos are allowed in the YUNESSUN area.
- Large bags, outside food and drinks, and glass containers are not permitted inside the facility.
- Pets are not allowed, except for registered service animals.
- Children under 3 years old are not permitted in the Dr. Fish foot bath.
- Some baths and facilities are gender-specific (e.g., cypress bath for females, dry sauna for men, mist sauna for women).
- The facility is not fully wheelchair accessible; certain areas and baths may have limited access for guests with mobility needs.
- Accessible restrooms are available, but please check with staff for specific accessibility support.
- The outdoor hot spring in the YUNESSUN area is closed during winter due to freezing temperatures.
- The Dr. Fish foot bath is available for an additional fee and has a minimum age requirement of 3 years.
- Private rooms with baths in the Mori no Yu area require advance reservation and may incur additional charges.
- Some facilities and special events (such as wine or coffee pouring) may require advance reservation or have limited availability—check the event schedule before your visit.
- Some areas and baths are illuminated at night for a unique atmosphere.
- The facility is located 600m above sea level in Hakone, Japan, and is open in all weather conditions.
- Please adhere to traditional Japanese bathing etiquette and all posted facility rules during your visit.
Ticket Delivery
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Your voucher will be emailed to you shortly.
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Display the voucher on your mobile phone with a valid photo ID at the starting point.
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Please check your final voucher for the starting point details & specific instructions.
Cancellation Policy
These tickets can't be rescheduled or cancelled.
Frequently asked questions
Clear answers to the most common questions travelers ask before booking this experience.
20 answered
Booking FAQs
Hakone Kowakien Yunessun is located in Tokyo, Japan.
The facility sits 600 meters above sea level in Hakone.
Hakone Kowakien Yunessun has YUNESSUN (swimsuit required) and Mori no Yu (traditional onsen).
Bring a valid photo ID that matches the booking name, in case it's requested at entrance.
You must wear swimwear in the YUNESSUN area; you can either bring your own or rent on site.
Towels are not permitted in any of the baths, particularly in Mori no Yu.
You'll find wine, coffee, green tea, and sake themed baths available for your enjoyment.
Yes, kids can enjoy BOXAPPY’s Jungle Gym and Splish-Splash pools while adults unwind elsewhere.
The Dr. Fish foot bath incurs an extra cost of ¥300 per person.
You'll be able to enjoy tranquil mountain views from the resort’s open-air baths.
Hakone Kowakien Yunessun is renowned as a spa resort blending playful themed baths with authentic Japanese hot spring traditions, offering both YUNESSUN swimsuit area and Mori no Yu traditional onsen.
Bring a valid photo ID if requested at the entrance. Swimwear is required for the YUNESSUN area, with options to rent it there or bring your own. You'll also need towels (rentable onsite) and might want extra clothes and toiletries after visiting.
Towels are not permitted in any baths, particularly within the Mori no Yu area. Bring your own or rent them at the facility instead.
At Hakone Kowakien Yunessun, you'll enjoy themed baths like wine, coffee, green tea, and sake. The resort features indoor/outdoor pools, kids’ play zones, cave baths, waterfalls, saunas, open-air baths with mountain views, and Mori no Yu's pottery bath, cypress bath (female only), private rooms, and special event baths.
The resort offers unique themed baths such as wine, coffee, green tea, and sake. Kids can enjoy BOXAPPY’s Jungle Gym and Splish-Splash pools while adults relax in saunas or the Green Terrace Jacuzzi.
Highlights include full access to YUNESSUN's indoor/outdoor pools, themed baths, family-friendly play zones, and Mori no Yu’s special features like pottery bath, cypress bath (female only), private rooms, and event-specific baths.
Yes, accessing the Dr. Fish foot bath incurs an additional cost of ¥300 per person.
Begin your experience at the main entrance where you'll validate your ticket and receive a brief orientation on spa etiquette. Follow posted signs to changing areas before selecting either the swimsuit or traditional hot spring zone.
Kids can enjoy BOXAPPY’s Jungle Gym and Splish-Splash pools, providing a fun environment within the resort's expansive offerings.
Hakone Kowakien Yunessun is situated in Tokyo, Japan, specifically at an elevation of about 600 meters above sea level in Hakone.
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