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Experience · Tokyo & Around

Hakone Kowakien Yunessun

Hakone / KowakidaniIndoor & outdoor
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Overview

Overview

A hot spring theme park in Kowakidani, Hakone. It has two areas: "Yunessun," a hot spring and spa area where you wear swimsuits, and "Mori no Yu," a day-use hot spring where you bathe without clothes. Families and groups can enjoy Hakone's hot springs regardless of the weather.

Address
1297 Ninotaira, Hakone-machi, Ashigarashimo-gun, Kanagawa 250-0407
Time needed
Half a day to a full day. 4–5+ hours to cover both areas
Official website
https://www.yunessun.com/
Official website (English) ↗
Highlights

Highlights

Its signature attractions are unique specialty baths such as the wine bath, real coffee bath, and "Shin" sake bath, and the events where wine or coffee is poured in at set times are popular. There's also the large indoor spa "Aegean Sea of the Gods," the lazy river "Bozappy River," the outdoor warm-water slide "Rockies Splash," and a 40 m-long open-air bath with a view.

Hours

Opening hours

Yunessun (swimsuit area)Weekdays 10:00–18:00 / weekends & holidays 9:00–19:00

Last entry 1 hour before closing. Subject to change by season

Mori no Yu (hot spring area)11:00–20:00

Last entry 19:30

Hours vary by day and season. Check the official website before you go.

Tickets

Prices & tickets

Passport (Yunessun + Mori no Yu), adult (junior high school age and up)Variable (¥3,500–¥4,000)

Varies by A/B/C date category; tax included

Passport, child (age 3 to elementary school)Variable (¥1,800–¥2,000)

Free for age 2 and under

Yunessun (swimsuit area), adultVariable (¥2,500–¥3,000)

Child ¥1,400–¥1,700

Mori no Yu (hot spring area), adultVariable (¥1,500–¥1,800)

Child ¥1,000–¥1,200

Prices include tax and may change. Check the official website before buying.

🎫 How to buy tickets
  • →Prices vary by date category (A = weekdays/off-season; B and C = weekends, holidays, and peak periods), so check your visit date's category before buying.
  • →Buy a QR ticket in advance to skip the reception counter and go straight to the entry gate.
  • →If you want to enjoy both Yunessun and Mori no Yu, the Passport is the better deal.
  • →Discounts for seniors 65+ and disability certificate holders (up to 2 companions).
  • →Swimsuits and towels can be rented for a fee (adult swimsuits from ¥1,200, bath towels ¥250).
Tickets & tours for this attractionPR
Tips

Tips for travelers

  • ✓Time your visit to the wine and coffee bath pouring events (4 times between about 12:00 and 15:15 on weekends and holidays; about 12:30–14:10 on weekdays) for the liveliest atmosphere.
  • ✓The Dr. Fish foot bath costs extra (¥300) and is open only at limited times.
  • ✓Payment is cashless via wristband, so you can leave your valuables in a locker and walk around unburdened.
  • ✓For small children, the 30 cm-deep kids' pool "Pony Lagoon" is a safe choice.
  • ✓Rockies Splash has a minimum height requirement of 105 cm.
Access

Getting there

Nearest station
  • Kowakien bus stop (Hakone Tozan Bus, Izuhakone Bus)About 20 min from Hakone-Yumoto Station, about 40 min from Odawara Station
From major stations & airports
  • Shinjuku Station: Odakyu Romancecar to Hakone-Yumoto Station (about 90 min) → Hakone Tozan Bus or Izuhakone Bus to Kowakien (about 20 min) (About 110 min)
  • Tokyo Station: Tokaido Shinkansen Kodama to Odawara Station (about 35 min) → bus to Kowakien (about 40 min) (From about 75 min)
Getting back
  • On weekend and holiday evenings, roads and buses toward Hakone-Yumoto can get crowded.
  • If driving, parking is free for the first 2 hours, then ¥1,300 (weekdays) to ¥1,600 (weekends, holidays, peak periods) per day.
Open in Google Maps ↗
Crowds

Crowds & best time to go

Busy
B and C dates such as weekends, holidays, summer vacation, and New Year, plus collaboration event periods
Quieter
Weekdays (A dates), right after opening in the morning
Time needed
Half a day to a full day. 4–5+ hours to cover both areas
Weather

Weather & what to wear

Spring

Enjoy the outdoor open-air bath with a view of Hakone's fresh greenery.

Summer

The outdoor area feels open and airy, and it's busiest with families.

Autumn

A season to enjoy the surrounding autumn foliage along with the hot springs.

Winter

In chilly Hakone, the warm pools and open-air baths are all the more welcome.

☂ Rainy days
With the large indoor spa, specialty baths, and lazy river, it's enjoyable even in the rain. The outdoor area depends on the weather.
Heat
You spend your time in a swimsuit, so it's comfortable even on hot days. Use sun protection outdoors.
Cold
Stick mainly to the indoor areas and it's comfortable even in winter. The outdoor slide and open-air baths use warm water.
What to wear & bring
Swimsuit (rentals available if you don't have one), towel, and a waterproof phone case (also sold on site). Children not yet out of diapers need swim diapers.
☁ Tokyo & Around weather by month
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Rules

Rules & what you can bring

  • !Visitors with tattoos are not admitted (allowed in the swimsuit area if covered with a rash guard or similar).
  • !No outside food or drinks (except allergy-friendly food and infant formula).
  • !No photography in the hot spring area or changing rooms. Snorkels, fins, and water guns are not allowed.
  • !Preschool children may not enter without an adult. To step out temporarily, tell a staff member and use the dedicated gate.
Facilities

Facilities & services

Lockers & luggage
Lockers in the changing rooms. Strollers can be checked at the front desk for ¥200 each
Payment
Cashless payment inside via wristband (settle by smartphone, smartwatch, or credit card). Cash only at vending machines
Strollers & wheelchairs
Strollers can be checked at the front desk for a fee (¥200).
Accessibility
Wheelchair users can visit, but there are stairs and steps inside, so it's not fully barrier-free. The private baths at Mori no Yu are designed to be easier for wheelchair users
Language support
Official website in English and Chinese (Traditional and Simplified)
Food

Food

Must-try
Pasta and light meals at Restaurant "Fontana," where you can eat in your swimsuitPanorama Restaurant KumashiroYakiniku Zen
Where to Stay · Agoda

Places to Stay near Hakone Kowakien YunessunPR

PRSee more places to stay near Hakone Kowakien Yunessun on Agoda →

Prices and availability are shown on Agoda.

Events

Events & festivals in Hakone

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Hours, prices and access are based on official and other primary sources. They may change, so check the official website before you go.

Last checked: 2026-10-01

PRKlookHakone Kowakien Yunessun Discounted Admission TicketChoose from the Passport, the swimsuit area only, or Mori no YuView