Hoshino Resorts KAI

What is "KAI"?

A brand of luxury boutique hot spring ryokan managed by Hoshino Resorts. Through the baths, dining, and KAI Activities (entertainment where you can enjoy the traditional crafts and culture), your wish for a unique and exclusive Japan trip will come true. Experience the unparalleled hospitality of KAI ryokan for yourself.

14 unique KAI ryokan spread across Japan

Aomori Nikko Izu/hakone Nagano Lake Hamana (Shizuoka) Kanazawa Shimane Oita
Aomori Nikko Izu/hakone Nagano LAKE HAMANA (Shizuoka) Kanazawa Shimane Oita

Hoshino Resorts KAI Tsugaru

Reopening after renovations in April 2019. A hot spring ryokan with over 800 years of history that stands in the inner parlor of Hirosaki.

Overlook a quaint garden as you soak in a bath made from "ancient hinoki", cypress trees over 2000 years old.

Enjoy a powerful Tsugaru shamisen performance in front of a mural of Tsugaru scenery.

Feast on kaiseki meals filled with the rich flavors of Aomori's coast.


Hoshino Resorts KAI Kawaji

A quiet getaway along the banks of a stream, with the sounds of a water mill in the air.

Enjoy the sounds of a bubbling stream as you soak amidst the four seasons of nature.

Try your hand at small rotary quern to grind soy beans and Japanese traditional paper "Karasuyama Washi" making experience at the Satoyama Workshop.

Enjoy kaiseki meals bursting with fun and the high-class feel of Satoyama (homage to pastoral Japanese scenery).


Hoshino Resorts KAI Kinugawa

Standing in the middle of a forest, all rooms feature the area's traditional craft arts.

Soak in the famous spring waters as you gaze upon nature.

Enjoy learning about the characteristics, history, and culture of Mashiko ware.

Enjoy seasonal offerings in delicious kaiseki course meals served in Mashiko ware.


Hoshino Resorts KAI Nikko

Lake Chuzenji spreads out before you from the comfort of your room.

Indoor baths with hinoki cypress and open-air baths made from rocks; indulge in whatever suits you.

Nikko-geta (straw sandals) show where you can feel 400 years of history.

Enjoy special kaiseki course meals with yuba (tofu skin) on gorgeous Nikko-bori ware.


Hoshino Resorts KAI Hakone

A serene resort sitting at the entrance of Hakone in the embrace of nature.

Open-air bath with picturesque views.

Get a feel for Hakone's local craft at the Parquetry CHAYA.

Japanese kaiseki meals featuring the four seasons of Japan.


Hoshino Resorts KAI Sengokuhara

Newly opened in July 2018, this facility is designed to be an "atelier hot spring ryokan." You can enjoy works of art created by artists-in-residence displayed in every signature room.

Turbid water drawn from Owakudani Valley is enriched with sulfuric acid and chloride from hot spring mineral deposits.

Design and paint your own hand towels at nightly art classes in the Atelier Library.

Enjoy kaiseki cuisine symbolizing the concepts of KAI Sengokuhara.


Hoshino Resorts KAI Anjin

Located in an area famous for its connection to the British navigator William Adams (aka Miura Anjin, the Blue-Eyed Samurai), KAI Anjin takes you back to the Age of Discovery

The ultimate open-air bath experience with spectacular ocean views.

Hear local lore about the first Western samurai who built ships at nearby Ito port.

Japanese-style kaiseki meals with a hint of British essence.


Hoshino Resorts KAI Ito

Reopened after renovations in December 2018. Baths in guest rooms are fed directly by Ito Onsen, famous for its skin rejuvenating effects.

Features an open-air bath fed by a spring waterfall, as well as an outdoor pool open all year round.

Enjoy the camellia which blooms in the warm Ito climate, and try your hand at making camellia oil.

KAI Ito's seasonal kaiseki is a beautiful fusion of sea and land foods.


Hoshino Resorts KAI Enshu

Located in the area of the best green tea in all of Japan, all rooms have stunning views of Lake Hamana.

Enjoy two baths with the contrasting luxurious essences of cypress and hiba.

A tea party to enjoy the allure of tea is held daily.

Kaiseki meals featuring the famous char-grilled eel with sweet sauce.


Hoshino Resorts KAI Alps

This onsen ryokan is themed around the concept of a luxurious yet rustic experience in Shinshu. It is conveniently located for sightseeing along the Tateyama Kurobe alpine route.

Forest-enclosed open-air baths with spectacular views of the majestic Alps.

Enjoy light meals and alcohol around a fireplace at Sunken Hearth Bar.

Seasonal ingredients arranged to create a vivid kaiseki meal.


Hoshino Resorts KAI Matsumoto

Architecture meets modern art in this beautifully traditional resort located in the Asama Onsen area.

Multi-feature hot spring baths spread out over two bath houses.

Experience Matsumoto, the capital of music, through a live concert.

We recommend pairing Nagano wine with our seasonal kaiseki meals using fresh, in-season ingredients.


Hoshino Resorts KAI Kaga

High-class accommodation fusing traditional Kaga architecture with the modern, just 30 minutes from Kanazawa.

A beautifying hot spring with 1300 years of history.

The traditional regional dance "Kaga Shishimai" is performed every night.

Eat extravagant Kaga cuisine using traditional "kutaniyaki" and "yamanaka-shikki" ware.


Hoshino Resorts KAI Izumo

Have your fill of Tamatsukuri Onsen, the "hot spring of the gods", at this ryokan with open-air baths attached to every room.

Enjoy the hot spring water that smooths the skin like an all-natural lotion.

Watch staff performances of "Iwami Kagura," a traditional performance art of Shimane.

We offer seasonal kaiseki meals made with plenty of fresh, in-season ingredients.


Hoshino Resorts KAI Aso

Located within Aso-Kuju National Park, this luxurious ryokan has 12 villas with open-air hot spring baths.

Become one with nature as you soak in the open-air baths on the terrace of every room.

Learn about Mt. Aso and its volcano at the “Caldera Bar” with a local drink.

Savor Kyushu-only flavors, sourced from the mountains and sea.