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Hakone Kowakien Yunessun: A Hot Spring Theme Park

Experience unique hot spring fun at Hakone Kowakien Yunessun, with themed baths, water slides, and traditional onsen in a beautiful mountain setting.

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Hakone Kowakien Yunessun is a unique hot spring theme park in Hakone, Japan, offering a fun and unconventional onsen experience. With swimsuit-required and traditional bathing areas, Yunessun caters to all preferences, featuring unique themed baths like coffee and wine, alongside classic hot spring amenities.

A brief summary to Hakone Kowakien Yunessun

Local tips

  • Bring swimwear and towels, or rent them at the facility.
  • Visit during off-peak seasons or weekdays to avoid crowds.
  • Check the pouring schedule for the coffee and wine baths to witness the special shows.
  • Consider purchasing a pass for both Yunessun and Mori no Yu to experience both the fun and traditional aspects.
  • If you have tattoos, ensure they are covered in the Yunessun area and note that they are not permitted in Mori no Yu.
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Getting There

  • Public Transport

    From Tokyo, take the JR Tokaido Line to Odawara Station (about 1.5 hours) or the Shinkansen (bullet train) for a quicker 35-minute ride. From Odawara Station, take the Hakone Tozan Bus or Izu-Hakone Bus to the Kowakien bus stop (approximately 40 minutes). Yunessun is a short walk from the bus stop. A Hakone Freepass can provide cost savings if you plan to explore other areas in Hakone. Bus fare from Odawara Station to Kowakien is approximately ¥800 [estimated].

  • Car

    From Gotemba Interchange, drive via Route 138 to the Miyanoshita Intersection (approximately 30 minutes). Yunessun is located at 1297 Ninotaira, Hakone-machi. Parking is available at Yunessun for ¥1,200 per day after the first two hours. During peak seasons, parking may be limited, so arrive early.

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Discover more about Hakone Kowakien Yunessun

Hakone Kowakien Yunessun is a hot spring theme park located in the heart of Hakone, a premier hot spring destination easily accessible from Tokyo. This unique facility combines the traditional Japanese onsen experience with the fun and excitement of a water park. Yunessun is divided into two main areas: the Yunessun area, where swimsuits are required, and Mori no Yu, a traditional, clothing-optional hot spring area. The Yunessun area is famous for its unique and playful baths. Here, you can soak in hot spring water infused with coffee, wine, green tea, and sake. The coffee bath, for example, features staff pouring home-brewed coffee into the bath several times a day. The wine bath is another popular attraction, with occasional wine shows where staff spray bathers with Yunessun wine. Other attractions in the Yunessun area include Rodeo Mountain, an outdoor bath with a water slide, and the God's Aegean Sea, a large indoor hot spring. For a more traditional Japanese hot spring experience, the Mori no Yu area offers serene, clothing-optional bathing with spectacular views of the surrounding mountains. This area features high-quality hot spring water and a relaxing atmosphere, perfect for unwinding after a day of fun at Yunessun. Yunessun also provides various facilities, including restaurants, souvenir shops, and rental services for swimsuits and towels. Whether you're visiting with family, friends, or as a couple, Hakone Kowakien Yunessun promises a memorable and rejuvenating experience.

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