Notices

Local arts and seasonal flavors

Dinners begin with a rillette of boar and runner-bean miso. The main is chicken thighs cooked in a nutrient-rich broth until it is soft enough to fall off the bone. At Soba Kappo SAI, we also offer a traditional "Kikouchi Soba" (100% buckwheat noodle) Kaiseki course.

Dinner

Hours
5:30 PM~/7:30 PM~

Seasonal Dinner 

Enjoy our Kaiseki dinner, with each dish reflecting the essence of Kusatsu's culture and hot spring atmosphere. It begins with an appetizer shaped like a yumomi board and includes the local "Joshu Joyo Nabe," where the local flavors are enjoyed in a broth with fall-apart tender chicken thighs.

Period

Year round

  • ※The photo is an image. The menu changes depending on the season.
Soba Kappo Restaurant "SAI"

Kikouchi Soba Kaiseki

Soba Kappo SAI, located on the premises of KAI Kusatsu, offers a special "Kikouchi" Soba Kaiseki (100% pure buckwheat noodles).

Guests with dinner-inclusive plans can switch to this Soba Kaiseki course at no additional charge.

Period

Year round

  • ※The photo is an image. The menu changes depending on the season.
Location

Soba Kappo Restaurant "SAI"

  • ※Right after exiting the tunnel within KAI Kusatsu.

Breakfast

Hours
7:00AM~9:00AM

Breakfast

Breakfasts at KAI incorporate regional flavors and culinary techniques. At KAI Kusatsu, the meal features dishes made with plenty of local ingredients, such as a soup with starchy konjac gelatin, shiitake, and Welsh onions.You may also choose a Western-style breakfast if you prefer.

Period

Year round

For kids

For kids

We offer special Japanese platters for children between 4 and 6 years of age. These carefully selected menus include traditional Japanese ingredients like beans, sesame, and seaweed that the little ones are sure to love.

  • ※For children age 7 to 11, we offer a Japanese platter containing a rich array of dishes like steamed egg custard and sashimi.

Optional menu

Celebratory Box

We have an exclusive “Celebratory Box” that contains preserved flowers and cakes and would be ideal for birthdays or celebrations.

Prices

Price: JPY 7,800(tax inclusive) [Contents: preserved flowers, 9 mini cakes]

  • ※Individual orders of cakes and preserved flowers:JPY 4,200 each
  • ※Sake Sparkling requires a separate reservation.
Reservation

Reservations: up to 4:00 PM on the previous day to your desired date

  • ※Images are conceptual pictures that may differ from the actual product. Please note that the contents of the meal may be subject to change.
  • ※Lacquer boxes cannot be taken home with you.

Vegetarian / Allergens (8 Major) Accommodations

We offer kaiseki cuisine for vegetarian guests. KAI's "Vegetarian Kaiseki" lets you enjoy rich umami flavors that enhance each ingredient, pleasing both your eyes and palate.

  • ※Please apply after booking your stay.
  • ※Please apply by 16:00 5 days in advance.

Dining Area

Luxuriate in Semi-Private Rooms

The dining area offers an intimate feel with semi-private rooms. Course meals cater to couples, extended families, and small groups.

Soba Kappo Restaurant "SAI"

Restaurant

A soba kappo operating alongside KAI Kusatsu. The interior, beautifully framed by lush greenery, offers an open yet calming atmosphere.

A la carte dining for lunch and dinner is also available for walk-in guests. (We do not accept reservations.)

À la Carte Dining Available

At Soba Kappo SAI, you can enjoy buckwheat noodles crafted entirely from locally sourced flour (100% soba). Dishes are also available à la carte, allowing you to savor each plate at your own pace alongside your favorite sake.

Information
Hours

<Restaurant at KAI Kusatsu>

Dinner 5:30PM~ / 7:30PM~

Breakfast 7:00AM~9:00AM

<Soba Kappo Restaurant "SAI">

Lunch 11:00 AM – 3:00 PM (L.O. 2:30 PM)

Dinner 5:00 PM – 9:30 PM (L.O. 9:00 PM)

MenuA la carte, Kaiseki Course meal
KidsAllowed
PetsAllowed
Average price
-
Reservation

Please check the details of each menu.