Iwajima Station × Nature Experience AccommodationRecommended Hotel·Ryokan

[Awarded TripAdvisor Japan’s Top 25 Ryokan for five consecutive years] Step through the small gate lit with amber-hued lanterns, and you’ll be embraced by the warmth of beautifully polished wood. Surrender to a gentle sense of nostalgia, unwind at your own pace, and let your mind be set free in this hot-spring village—an oasis of quiet in the forests of Shima: Shima Onsen Tokiwasure no Accommodation Kamoto.

An accommodation close to the sky, located in the highest area and innermost part of Shima Onsen within Joshin'etsu National Park. Enjoy the pure air, chirping birds, rich nature, and high-quality onsen water from four natural sources (all rooms equipped with private onsen baths), offering a rejuvenating experience for both body and mind.

Amidst the rich nature, the sturdy thatched roof warmly welcomes you. Since the distant Muromachi period, the Onsen for therapeutic purposes has flourished and been cherished for five hundred years, and even today, the onsen village of Shima Tamura continues to be loved. The moment you see the wooden signboard "Onsen Property" hanging at the entrance, a relaxing atmosphere envelops you. Take a moment to immerse yourself in this tranquility and enjoy a leisurely time.

Since its establishment in Genroku 7 (1694), "Sekizenkan" has welcomed guests for over 300 years, with a constant flow of visitors seeking Onsen therapy. The Property features three distinct buildings: the "Main Building," known as the oldest Onsen inn architecture in Japan, where the culture of Onsen therapy still thrives; the "Sansou," designated as a Registered Tangible Cultural Property of Japan for its excellent design and architectural techniques in the Momoyama style; and the "Kashoutei," located at the highest point in Shima Onsen, surrounded by the tranquility of ancient pine trees. At Sansou and Kashoutei, guests can savor exquisite kaiseki cuisine prepared by the head chef. Enjoy a variety of Onsen experiences, including the retro-modern "Genroku no Yu" and the seasonal "Mori no Yu."

Shima Onsen, a historic hot spring resort, has thrived as a place of healing. The mineral-rich Onsen water enhances skin elasticity, radiance, and clarity. The gentle murmur of the Shima River provides a tranquil atmosphere.

A hot spring hotel nestled in a serene 330,000-square-meter retreat surrounded by clear streams. Enjoy the renowned skin-beautifying hot springs with rooms featuring open-air baths, private baths, and access to sister properties for a delightful hot spring hopping experience! Dinner includes a buffet of over 50 Japanese, Western, and Chinese dishes. Savor freshly grilled beef steak and tempura prepared live at the kitchen station.

The onsen village of Kuni Shiri-yaki, recognized as "Japan's Most Beautiful Village," is a hidden retreat embraced by nature and tranquility. Enjoy the abundant onsen water flowing directly from the riverbed. Relax in the open-air baths overlooking the mountains and river or in your room.

Set beside the scenic Shima River Gorge, with views of Fusen-kyo Gorge—also known for its brilliant autumn foliage—ShimaBlue is a secluded retreat in the mountains. With the soothing sounds of the Shima River nearby, this is Shima Onsen’s first private cottage property featuring open-air Onsen baths, offering seven distinctive spaces to relax and enjoy the renowned waters of Shima Onsen.The seven guest cottages each feature their own uniquely designed private open-air Onsen bath. Lined up along the river, they offer an airy terrace where the gentle murmur of flowing water creates a calming atmosphere. Dining includes our signature barbecue showcasing carefully selected ingredients from Gunma Prefecture, along with a wide selection of local craft beer, wine, and more. Surrounded by the beautiful nature of the Shima River—beloved as “Shima Blue”—enjoy an unforgettable villa-style stay filled with scenery, cuisine, and local blessings.

Within a vast 5,600-tsubo Property, you can connect with nature and enjoy exploring the forest and discovering its wonders, surrounded by magnificent scenery that changes with the seasons. Additionally, the Property is equipped with a variety of leisure Facilities, including a campsite, a ground, and tennis courts, making it an ideal choice for group activities such as clubs or training camps. Relax and rejuvenate both your mind and body in our prideful open-air baths, where you can enjoy the fresh greenery in spring and the vibrant autumn leaves in fall. Experience the ultimate healing and indulge in the finest stay at our Property.

At this accommodation nestled in the land of Shima, you can experience the warmth of traditional onsen and enjoy the spiritual waters of Shima Onsen. Rooms range from 6 to 10 tatami mats, with spacious two-room suites, Japanese-Western style rooms, and highly recommended rooms with private open-air baths. Relax in uniquely designed rooms at your leisure. A large public bath is also available to soothe your travel fatigue. Enjoy a tranquil bathing experience in a serene atmosphere.

Nestled in Shima Onsen, "Ayameya Ryokan" is a tranquil Onsen retreat surrounded by nature, where you can enjoy the seasonal landscapes. The area is dotted with waterfalls and lakes, perfect for leisurely strolls. You can also enjoy water activities in the clear Shima River. The Ryokan offers five 10-tatami mat Japanese-style rooms, each providing serene and calming spaces with windows that showcase the seasonal mountain scenery. Shima Onsen is designated as a National Health Onsen, featuring gentle waters that are safe for small children and expectant mothers. Additionally, we serve dishes prepared with an abundance of fresh, seasonal ingredients, highlighting the blessings of the mountains and rivers.

Located in the quietest area of the canyon in the secluded part of Shima Onsen, this Property features six Rooms and three free private Onsen baths, offering the luxury of Shima Onsen's pure, unaltered hot spring water. Meals include local ingredients such as Joshu beef, Mugibuta pork, and Akagi chicken, along with an abundance of fresh vegetables. Guests can enjoy dishes like irori-grilled specialties, Joshu's famous yaki-manju, and okirikomi noodles, all served in generous portions. Additionally, there are Plans featuring onsen-steamed dishes or lighter options, such as Joshu beef on a teppan grill or shabu-shabu with Gunma's specialty fish, Gin-Hikari. The Rooms include traditional Japanese-style accommodations as well as two artist Rooms featuring twin Japanese-style beds. These Rooms showcase works by local artists from Nakanojo Town, allowing guests to experience the essence of Nakanojo and Shima Onsen. Enhance your usual travel experience with a unique stay in these one-of-a-kind Rooms.

A new kind of casual stay Hotel blending Onsen and art. SHIN Toji Hotel <LULUD> is a casual Hotel with simple services that offer both freedom and great value, meeting a wide range of needs—from sightseeing to workations and long-term stays. We offer a variety of guest Rooms, from suite Rooms to dormitory-style shared Rooms (semi-private), which are rare in Onsen destinations. With a meeting lounge and shared kitchen, plus a café restaurant in the common area, you can freely enjoy a break between work or your stay as well as lunch. Enjoy your own LULUD stay—savoring rich experiences at a great budget, just the way you like.

We take pride in our Onsen, a variety of baths, and handmade cuisine crafted without relying on pre-made products (limited to a set number per day). Guests can enjoy five private baths at no additional charge. All baths feature free-flowing Onsen water. You are welcome to use the hinoki wood family bath or the stone family bath freely. The natural Onsen water is colorless, odorless, and sourced directly from our private spring on-site, flowing continuously (free-flowing source). Notably, Gennoyu and Koshiburo Ichinoyu are supplied directly through natural gravity as they are located lower than the spring source. Please note that as this is a wooden building, there is no elevator; guests will need to use stairs. Meals are served in the dining area. For stays of three nights or more, meals from the third night onward will repeat the menu from the first and second nights. We regret that we cannot accommodate changes to meal content (including allergies or preferences). All rooms and indoor areas are non-smoking, including electronic cigarettes.