Nationwide × Accommodation With Riverside SaunaRecommended Hotel·Ryokan - 4Page Number

A keyaki-wood Onsen Ryokan—beloved by Kenji Miyazawa and Torahiko Tamiya—crafted entirely from zelkova, a style that can no longer be recreated today. The historic Namari Onsen, first opened around 600 years ago, offers exceptionally high-quality waters recognized by selections such as “New Japan’s 100 Famous Hot Springs,” “Japan’s 100 Famous Hot Springs,” and “Japan’s Onsen Heritage.” Unusually even among well-known hot spring areas, the property has five source springs, and all four baths on site are luxurious 100% free-flowing natural spring water (kakenagashi). It is also known as “Namari-no-Yu,” featured in Kenji Miyazawa’s masterpiece *The Bears of Nametoko Mountain*, making this a special Accommodation where the story’s world and a historic Onsen come together. In 2025, the main building—of outstanding historical value—was designated a National Registered Tangible Cultural Property, allowing you to fully enjoy the beauty of traditional Japanese architecture as well. In particular, we highly recommend the 100% natural self-springing rock bath “Hakuen-no-Yu,” said to be Japan’s deepest—a superb bath that warms you through to your core.

Located along the pristine Nagara River, which has been selected as one of the "Top 100 Sustainable Destinations in the World," this area offers a taste of Gifu's charm with attractions such as Mount Kinka and Gifu Castle, cormorant fishing on the Nagara River, and the traditional streets of Kawaramachi. Adjacent to an international conference center, our Hotel provides high-quality Facilities and refined services to ensure a comfortable stay for all guests.

About a 40-minute drive from central Sendai, this is a private, whole-cottage rental with its own sauna, nestled in the quiet forests of Akiu. Escape the crowds and enjoy your own “totonoi” experience in this nature-filled hideaway.The cottage features an authentic Finnish-style sauna. Adjust the temperature and humidity to your liking, then unwind with our carefully selected chilled cold plunge for a deeply restorative sauna session.After your sauna, relax on the deck while listening to the gentle flow of the Natori River. Surrounded by breeze and water sounds, it’s the ultimate luxury of doing nothing. Nearby you’ll find Akiu Otaki Falls—famous for stunning autumn foliage—as well as plenty of local restaurants to enjoy regional flavors. It’s also an ideal base for sightseeing.In this soothing space where nature and sauna come together, savor your very own “totonoi” getaway to the fullest.

Oniiwa Onsen Ryōzan is located at the heart of a mountainous natural landscape stretching between the Nōbi Plain and the deep mountains of Hida and Kiso, surrounded by abundant nature to enjoy in every season. With heartfelt handmade cuisine, warm hospitality, and an exceptional space for relaxation, we look forward to welcoming you with innovative yet refined touches throughout.

"COCO VILLA Nasu Kogen," a private accommodation surrounded by the rich nature of Nasu Highlands, is available for one group per day. Enjoy luxurious moments with a spacious wooden deck, BBQ grill, and fire pit while experiencing the changing seasons. The accommodation can host up to 12 guests and offers parking space for 4 vehicles, making it ideal for large groups or multi-family stays. A large glass-enclosed sauna accommodating up to 8 people is available. In front of the relaxation area flows a small stream, allowing you to enjoy the soothing sound of water as you admire the majestic ridgeline of Mount Nasu. The living room features a wood-burning stove that provides gentle warmth and fills the room with cozy comfort through its flickering flames.

Opened in 1902. Located deepest within the Nyuto Onsen area. Surrounded by majestic mountains, we have protected these precious natural hot springs for generations. Our Onsen facilities include separate indoor baths for men and women, a mixed-gender indoor bath, and a mixed-gender open-air bath. There are three different spring sources. You can enjoy three distinct types of Onsen. Magoroku Onsen Rokuan is a rare village-style Ryokan, with buildings separated into individual lodges. It may not feel luxurious in every way, but because you will often step outside, you can experience Magoroku’s great nature directly. The stillness of summer nights, the beauty of the morning sun, and the cool breeze. There are experiences and moments of awe that can only be found here. We have six Rooms in total; each Room accommodates up to two guests for a relaxing stay. Our dining area is counter-style and is the only place where all guests gather at once. A Ryokan that connects nature and people—and brings people together as well.

A traditional house property located at the foot of Aso Daikanbo, blessed with a prime location. Enjoy Aso's local cuisine around the hearth. All rooms feature open-air and indoor baths. Experience a magical time as if you have traveled back in time.

A highland resort accommodation. Enjoy the rejuvenating effects of the new Tainai Onsen. The 12-tatami Western-style rooms exude the elegance of a first-class hotel, and we offer a Western course creatively tailored to suit Japanese tastes, as well as a fusion course featuring fresh seasonal ingredients that let you savor the essence of each season.

Founded in 1829 as an inn for the Sagara domain, Hitoyoshi Onsen Nabeya is a long-established Ryokan on the banks of the Kuma River, one of Japan’s three fastest-flowing rivers. From every guest room, enjoy views of the clear stream and the ruins of Hitoyoshi Castle, while our gentle natural Onsen helps you forget the bustle of everyday life.For dinner, we offer a French course that suits Japanese tastes and incorporates Japanese culinary techniques. Savor seasonal local ingredients and enjoy a truly relaxing stay.

Feel the beauty of every season through a 7-meter-wide picture window at Forest Garden Happodai. Enjoy a living room that opens onto the forest, a deck for gathering around a fire pit, and a covered outdoor space you can use even on rainy days.In spring, let your dog run free in the private dog run surrounded by fresh greenery. In summer, enjoy a BBQ on the terrace at dusk. In autumn, take in the fall colors from the hammock. In winter, unwind by the glow of the wood-burning stove with a glass of wine.Just a short distance from central Karuizawa, this exceptionally quiet retreat offers crisp air and time that feels like it’s yours alone.

Nestled in the lush nature of Nakagawa, Fukuoka, “Wasure Saimu Seifu Meigetsu.” With a clear stream flowing before you and a forest that changes with the seasons, you can leave the bustle of everyday life behind and enjoy a truly relaxing escape. Featuring a private sauna, an open-air terrace, and a fire pit area, it offers a luxurious stay in harmony with nature. Wake to birdsong in the morning, unwind to the soothing river beneath dappled sunlight by day, and spend your evenings wrapped in the glow of the fire and a star-filled sky. A place for heartfelt conversations with someone special—or quiet time to reconnect with yourself. A unique retreat to lose track of time and return to nature.

[Glamping] A special getaway in a dome tent at a riverside retreat with crystal-clear streams. Enjoy river play and fishing, then savor a Shinshu beef BBQ under a star-filled sky at night. In the morning, relax in a hammock and enjoy a luxurious, unhurried stay until 11:00. <Barrel Sauna Plan available / Pet-friendly>

Established in 1910, this historic Ryokan is the birthplace of Hitoyoshi Onsen. Enjoy the luxury of three private hot spring sources with different water qualities, all flowing freely. The Ryokan offers rooms with semi-open-air Onsen baths, private baths, and a newly built sauna, allowing you to fully indulge in a relaxing hot spring experience. Our proud cuisine is carefully prepared with ingredients from our own garden and seasonal local produce. The attached Italian dining also receives high praise for its pizzas and pastas crafted by young chefs. From the guest rooms, you can enjoy views of the Kuma River, and within the facility, relax on the terrace or by the fireplace, leaving behind the hustle and bustle of daily life.

Approximately 60 minutes by car from Fukuoka City. A Ryokan located in the "Chikugogawa Onsen," the hidden retreat of Hakata. Our pride is the Onsen with "natural hot spring water flowing directly from the source." Featuring alkaline water with a pH of 8.9, known for its <silky smooth texture>. Enjoy the Onsen through "three types of private family baths, a large public bath, and guest rooms with open-air baths." Experience the natural cleansing effects for yourself. For meals, we carefully prepare each dish using seasonal ingredients, showcasing the "treasures of the river" and "bounty of the mountains" nurtured by the rich environment of Chikugo. Take a step away from the city and enjoy a tranquil and relaxing stay.

A cottage-style Property located within the majestic nature of Meisui Park Beruga. Among them, the private standalone Rooms offer a unique experience: enjoy BBQ on the wooden deck in summer, or relax by the flickering flames of the wood stove in winter, allowing you to feel the warmth and savor the slow passage of time. Within the premises flows the crystal-clear Ojiragawa River, selected as one of Japan's top 100 famous waters. In midsummer, the stone-made water slide is a popular spot for river play! After playing, head to the Onsen, Ojiro no Yu, located on the premises. This ultra-high-concentration Onsen, rich in minerals and sourced from deep beneath the Ojiragawa riverbank, is perfect for relieving fatigue and enjoying thermal benefits! We also offer various seasonal BBQ Plans, wood stove Plans, and other events. Please come and enjoy your time at Hakushu Ojiro no Mori Meisui Park Beruga.