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KAI Hoshino Resorts KAI Enshu

KAI Hoshino Resorts KAI Enshu

Located an hour from Nagoya and 2 hours from Tokyo by train, KAI Enshu is a hot spring ryokan situated by Lake Hamana in the historic city of Hamamatsu. All rooms offer views of the lake and are decorated with traditional local weave items. Meals feature eels from the lake, a local delicacy, while activities include regional tea tastings.

  • 60 min. From Nagoya
  • English-speaking staff
  • Best Rate Guarantee
  • Free Wi-fi
  • Outdoor bath
  • Half-board

What is KAI?

What is KAI?

Japan’s hidden luxuries—at your fingertips

KAI is a leading brand of luxury boutique hot spring ryokans. Every establishment offers a contemporary take on the traditional Japanese inn, providing unique, location-specific experiences—from exclusive activities to specialty suites—designed to immerse guests in the lavish world of Japanese regional craftsmanship.


Rooms offer dynamic views of Lake Hamana and are decorated with traditional local weave items that add a Japanese touch to the contemporary interiors. Options include rooms that combine tatami-matted and wooden-floored spaces, as well as rooms with outdoor baths.

KAI Signature Rooms

KAI Signature Rooms incorporate elements of regional craft cultures in their design. At KAI Enshu, all rooms are Signature Rooms with sofa covers, window screens, and other furnishings handcrafted by artisans who practice a traditional local weave style called Enshu-mentsumugi.

Room types (5)

KAI Amenities

100% flax yukata

These casual kimono have been meticulously woven to provide cooling in the summer and heat in the winter.

Wrapping cloth

In Japan, objects are traditionally carried around in a makeshift bag formed from a sheet of cloth. Guests are invited to use these cloths to carry their belongings around the premises.

Luxury mattresses

Our own brand mattresses have been designed to provide proper support to the body while also being soft enough to sink into, allowing for undisturbed sleep.

Other amenities

Shower booth / TV / phone / electric kettle / fridge / safe box / hair dryer / toilet with bidet functions


Meals are centered around a famous local delicacy—eel from Lake Hamana, historical mecca for eel farmers due to its temperate climate and high quality water. Eel is slowly grilled in a sweet sauce and served with seasonal fare, best enjoyed with some local Shizuoka sake.


Dinners consist of multi-course kaiseki meals that include visually pleasing dishes made with seasonal ingredients. Guests may choose between standard and special.


Mornings begin with a set meal that includes a traditional regional dish.

  • No Western meals are served, either at dinner or breakfast.
  • Standard prices include half board.
  • Allergy Information

Hot spring

Bath halls include a bath featuring floating baskets of tea leaves. Vitamins and other compounds contained in the leaves help rejuvenate the skin, while the leaves' aroma soothes the mind. There is also a large outdoor bath constructed from high-quality cypress.

  • Rooms are connected to the bath halls by a roofed corridor.
  • In case of cold weather, guests are recommended to wear the provided tanzen kimono jackets or other warm clothing when going to the bath halls.

Yuagari Lounge

Dry seating, along with cushions made with traditional local craft techniques, make this the perfect place to relax after a soak. Complementary regional teas are also provided.


Same day reservations available at the front desk.

KAI Activities

Every KAI establishment offers a selection of free activities designed to introduce guests to Japan's regional cultures. At KAI Enshu, which is located in the Shizuoka region—Japan's green tea capital—complimentary tea tastings are held at the ryokan every evening so that guests are given a chance to explore the wonders of Shizuoka teas.

Tea tasting

Held every evening, this activity introduces guests to the richness of Japanese teas. The teas available change depending on the season.



  • From Tokyo area

  • From Osaka/Nagoya area

  • Free shuttle service (reservation required)

    Free shuttle Reservations


    KAI Reservation Center
    10:00~19:00 GMT+9

    • Please book up to 2 days prior to your arrival by calling the KAI Reservation Center. Only limited seats are available. 
    • This bus is operated by the Kanzanji Hot Spring Association, and is exclusively for guests staying at KAI Enshu and Kanzanji Hot Spring Ryokan establishments.
    • After stepping off the free shuttle bus, please wait in front of the Kanzanji Hot Spring Association. A “Hoshino Resorts KAI Enshu” car will come to pick you up.


Check-in 15:00
Check-out 12:00
Rooms 33
16 Japanese-style Rooms / 14 Western-style Rooms / 3 Western-style Rooms with outdoor bath
Parking 35
Facilities Shared bath halls / Yuagari Lounge / Restaurant / Travel Library / Shop

Travel Library

Every KAI establishment features a library consisting of books on the area's history, culture, crafts, and geography. Complimentary refreshments are also served.

KAI Enshu

399-1 Kanzanji-cho, Nishi-ku,
Hamamatsu-shi, Shizuoka 431-1209