Kusatsu hot spring hotel | BOUN | Official page | Natural hot spring disposable things, an inn of a hot spring state of perfect spiritual concentration. A bath of six two sources. There is a guest room with outdoor bath, too.

Online reservations accepted 24 hours a day.

Kusatsu Onsen Hotel Boun

433-1 Kusatsu-machi, Agatsuma-gun, Gunma, Japan 377-1711

TEL:0279-88-3251
(from overseas 81-279-88-3251)
FAX:0279-88-3241
(from overseas 81-279-88-3241)

Reservation benefit

Guests who make a reservation from this website can receive a reservation benefit for each person in their group.
(* one bottle of cold sake is for two people)
These benefit options are also available when making a reservation by telephone. Please inform us when making your reservation if you wish to claim one of the following benefits.

Morning coffee

One cup of coffee per person. At the “Lounge Tsuyukusa” (7:30am – 10:00am)

Boun original cold sake

One bottle for 2 people (when having dinner or a party). This sake has a light, refreshing taste.

Kusatsu mini wine bottle (180ml)

One bottle per person (when having dinner or a party). Please choose from red, white or rose.

Soft drink (juice, cider, cola, oolong tea)

One bottle per person (when having dinner or a party).

Draft beer

One glass of Pilsner per person.

Colorful rental yukata

One set per person (women only). There are about 100 variations of yukata design.


Boun original cold sake

Kusatsu wine

Draft beer

Colorful yukata