Reservations

Notice of changes to the accommodation reservation system

To further improve customer convenience, our hotel will be offering the following services from 10:00 AM on Monday, December 8, 2025:
We have moved to a new reservation system.

<For customers who made reservations using the old reservation system>

For reservations made by 10:00 AM on Monday, December 8, 2025, please click here to confirm, change, or cancel your reservation.

<To all members>

We are transferring your membership data, but you will need to reset your password for your My Page.

Access

  • map
  • route 1
  • Route 2
  • route 3

There are separate parking lots for "Kashotei/ Sanso" and "Honkan".
Please come to the parking lot of your accommodation.

For day trip customers

Due to the limited number of parking spaces in the Honkan parking lot, it is reserved for hotel guests only. For day trips, please use the "Kiri no Kihira Parking Lot" (free of charge) located about 5 minutes away.

About the parking lot of the Honkan

The Honkan parking lot entrance is as shown in the picture below. After passing Akahashi, the staff will guide you in front of the entrance.
The narrowest part of this passage is 230 cm wide and 250 cm high.
*Please note that accidents in the parking lot will be your own responsibility.

  • Image: Entrance of the Honkan building parking lot

    Honkan building parking lot entrance

  • Image: Passage after passing the entrance of the Honkan parking lot

    Passage after passing the Honkan parking lot entrance

For guests staying in the Honkan

  • *The parking lot of the Honkan is behind the red bridge. Cross the red bridge, stop in front of the entrance, and talk to the front staff.
  • *[Honkan] has a limited number of parking spaces. If you will arrive after 17:00, please contact us in advance.

About route search

You can check the detailed route and required time from your departure point to Sekizenkan on the website below. Most route search sites only display the route to Sekizenkan "Honkan", so search with "Navitime" where you can choose the route to "Kashotei/ Sanso" and "Honkan". is recommended.

Please call us if you have any questions.

TEL. +81-279-64-2101 / 9:00~18:30

Shima Onsen Sekizenkan
Shima Onsen, Nakanojo-machi, Agatsuma-gun, Gunma Prefecture, 377-0601
TEL. +81-279-64-2101 / FAX. +81-50-5527-6391

By car

For Tokyo

Nerima IC

About 70 minutes by Kanetsu Expressway

Shibukawa Ikaho IC

About 25 minutes on Route 353

Nakanojo

About 25 minutes on Route 353

For Niigata

Komaki IC

About 100 minutes by Kanetsu Expressway

Tsukiyono IC

About 45 minutes on Route 145

Nakanojo

About 25 minutes on Route 353

For Nagoya

Komaki
I C

About 120 minutes by Chuo Expressway

Okaya
JCT

About 50 minutes on the Nagano Expressway

Sarashina
JCT

About 15 minutes on the Joshinetsu Expressway

Ueda Sugadaira
I C

Route 144・
About 110 minutes on Route 145

Nakanojo

About 25 minutes on Route 353

When using a car navigation system

If there is a destination setting with a map code,
Please enter the following.

  • Sanso/ Kashotei 554 033 874*68
  • Honkan 554 033 877*83
  • Kirinokidaira parking lot 554 033 675*13

For customers visiting during the winter season

During the winter season (December to March), when visiting Shima Onsen, be sure to install studless tires,
Or bring tire chains.
Even if there is no snow, the road surface may freeze due to the cold mornings and evenings.
Please be prepared for safety.

By TRAIN

To Tokyo (Ueno)

Ueno

About 120 minutes by Limited Express Kusatsu Shimano

Nakanojo

About 40 minutes by bus About 20 minutes by taxi

To Tokyo (Tokyo)

Tokyo

About 50 minutes by Joetsu Shinkansen

Takasaki

About 25 minutes by JR Joetsu Line

Shibukawa

About 30 minutes on the JR Agatsuma Line

Nakanojo

About 40 minutes by bus About 20 minutes by taxi

To Niigata (Niigata)

Niigata

About 25 minutes by Joetsu Shinkansen

Nagaoka

About 43 minutes by Joetsu Shinkansen

Jomo Kogen

About 60 minutes by taxi

To Niigata (Kanazawa)

Kanazawa

Hokuriku Express about 188 minutes

Nagaoka

About 43 minutes by Joetsu Shinkansen

Jomo Kogen

About 60 minutes by taxi

For customers coming from Nakanojo Station or Jomo-Kogen Station

Please note that there is no shuttle service from the station.
From Nakanojo Station, there is a Kan-Etsu Kotsu bus. Please get off at the last stop, Shima Onsen. Please check the Kan-Etsu Kotsu website for timetables.
The bus fare from Nakanojo Station to the final stop, Shima Onsen, is 1,150 yen for adults. The Honkan is a 2-minute walk from the final stop, Shima Onsen. Guests staying at Kashotei and Sanso are also welcome to come to the Honkan.

By BUS

There is a direct bus from Tokyo and Saitama, so please use it.

Direct bus information

Tokyo

Tokyo Station Yaesu Street
8:50 departure

Shima Onsen (Kanetsu Transportation)
about 210 minutes
12:20 arrival

Guidance such as platform, boarding method

*During the winter season from December 1st to May 7th, we will increase the number of flights departing from 10:40 to arriving at 14:45.

Stop/Day of Operation all year *Operation status may change. Increased service in winter and spring
To Shima Onsen From Tokyo Station Yaesu South Exit 8:50 10:40
Arrival at Shima Onsen 12:20 14:45
to Tokyo From Shima Onsen 13:45 10:45
(5/7~10:30)
Arrive at Tokyo Station Nihonbashi Exit 17:30 15:00
(5/7 - 14:45)

*Swipe right to see

*Please note that the operating schedule may change due to the increased number of flights in winter and spring.
Please check the latest information.

*If a seat is reserved for a child under school age, the child fare will be charged.

Click here to purchase tickets (Kanetsu Kotsu)

Bus route map from Haneda Airport

Haneda Airport

Haneda Airport Garden

Ikaho-Shima Onsen Haneda Line (Kan-Etsu Kotsu)
Approx. 310 minutes

End point: Shima Onsen

Approximately 2 minutes walk to the Honkan

The Honkan is a 2-minute walk from the last stop, Shima Onsen.
Guests staying at Kashotei and Sanso are also welcome to come to the Honkan.

Bus route map from Shinjuku

Tokyo

Expressway Shinjuku

Joshu Yumeguri (JR Bus Group)
about 105 minutes

Nakanojo Station

About 40 minutes by Kanetsu Kotsu Bus

The Joshu Yumeguri train from Shinjuku ends at Nakanojo Station.
There is no pick-up service from Nakanojo Station. Please note.
From Nakanojo Station, please use the Kanetsu Kotsu route bus. Please check the Kanetsu Kotsu website for timetables.

Invitation to stay

BEST RATE
Booking from the official website is the best deal

Reservation by phone
TEL. +81-279-64-2101 / 9:00~18:30

Vacancy search

BEST RATE
Booking from the official website is the best deal

Notice of changes to the accommodation reservation system

We will be switching to a new reservation system at 10:00 a.m. on Monday, December 8, 2025.
We are currently transferring member data.
You will need to reset your password for My Page.

To customers who made reservations using the old reservation system

For reservations made by 10:00 AM on Monday, December 8, 2025, please click here to confirm, change, or cancel your reservation.