The best way to experience Shima Onsen in Gunma, Japan! Mystery of Shima Onsen

This is a hands-on event where you can walk around Shima Onsen with a kit in your hand and follow the mysteries hidden in the hot spring resort.
You will take on the role of the main character and go to the actual location where the story takes place to solve riddles and codes in order to find the culprit of the crime that occurred in the story.

The time required is about 2 to 3 hours, so why don't you play the game before or after your check-in time and take a stroll around the hot spring resort?

Please contact the Shima Onsen Hot Springs Association for event details.

Date: Early September

Okushiman Lake is popular as "Shima Blue.
Although the water volume was low and the weather was rainy, we were able to see the compelling blue color!
The next pictures will be uploaded in early October.
Please look forward to the changing colors of the Shima blue and the autumn leaves of the trees.

Located alongside the clear Shima River, Shima Yamaguchikan is a popular inn for its warmth of wood, gentle breeze, and open-air bath where you can become one with the mountain stream. There are three baths: the "Otagime Grand Open-air Bath," the "Keiryu Open-air Bath: Shima River Hot Spring," and the "Yakushi no Yu" baths, where the mineral-rich hot spring water is free-flowing and moisturizes the skin.
In the "Otome Grand Open-air Bath" and "Keiryu Open-air Bath Shimagawa-no-yu," the Shima River that flows in front of the open-air baths is lit up at night!
You can enjoy a different view than during the daytime.
Only guests staying at the hotel can enjoy this luxurious nighttime view from the open-air baths.

Various types of rooms are available, including Japanese-style rooms, Japanese-style rooms, and Western-style rooms. The rooms on the Shima River side offer a panoramic view of the nature of the Shima River through large windows.
The meals are prepared in a traditional Japanese style using only the finest seasonal ingredients, such as highland vegetables from Gunma Prefecture and brand-name meats. Please enjoy our chef's meticulous attention to detail in each dish.