Nationwide × Sulfate Onsen AccommodationRecommended Hotel·Ryokan

Welcome to Ikaho Onsen, Hotel Kogure. With a proud 400-year history, we are the heart of Ikaho, boasting the largest source of the renowned "Golden Onsen" waters. Drawing over 1,000 liters per minute from the source— We offer one of North Kanto's top-class water volumes. Experience an extraordinary onsen journey in our expansive 1,300-tsubo bathhouse featuring large communal baths, open-air baths, private baths, and spa spaces—a true "paradise of hot springs." All rooms are designed with spacious comfort in mind. From luxurious suites to rooms with private open-air baths, each space is crafted not for continuing your daily routine but for immersing yourself in an extraordinary experience. Meals feature kaiseki cuisine that highlights seasonal and local ingredients. Our grand chef pours heart and soul into every dish to deliver flavors that delight all five senses. Above all else, what Hotel Kogure takes pride in is our "hospitality perfected for healing." From the moment you step inside our accommodation, a special experience awaits you—one that will make you think: "I'm so glad I chose this place."

Kofu is blessed with lush nature and rich culture. Enjoy the deep charm and flavor unique to this well-matured town, from historic temples associated with Takeda Shingen to the Yamanashi Prefectural Museum of Art and local vineyards. As Kofu’s guesthouse featuring a serene Japanese garden, Tokiwa Hotel warmly welcomes you with heartfelt hospitality.

In the spring of 2017, after about a year and a half of silence, a new chapter began. Founded in 1662. A history woven by Onsen waters—Edo, Meiji, Taisho, Showa, Heisei, Reiwa. Surrounded by magnificent nature, the scent of the waters lingers as artifacts from different eras and worlds add color and elegance to the Ryokan. Let your thoughts drift to the founder, Mannemon Matsuzaka. A long-established Ryokan beloved since the Edo period as an Onsen Accommodation—so renowned it even appears in ukiyo-e prints by Utagawa Hiroshige. From meetings between Takayoshi Kido and Takamori Saigo to a stay by Bunroku Shishi, leading figures of the Meiji era once gathered here. Since then, many guests—including members of the Imperial Family—have continued to visit.What captivates visitors is our rare, highly beneficial spring water found only here: it contains all three celebrated skin-beautifying types—sulfur springs, sulfate springs, and bicarbonate springs. Another reason is our abundant flow rate of 200 liters per minute. We adhere strictly to “100% free-flowing from the source,” with no added water, no heating adjustments, and no circulation.Moreover, the history of Hakone Ashinoyu is said to date back to the Nara period—more than 1,200 years ago.Now come and savor Hakone’s finest famed hot spring—a place cherished through time—and enjoy being part of its continuing story into the future.

Savor the flavors of each season, soak in the Onsen at your leisure, and discover new delights. Enjoy seasonal cuisine—then return to the Onsen. With family, as a couple, or with someone special. In your own way, enjoy a moment that refreshes both body and mind. Experience a day unique to an Onsen Ryokan at Yunokuni Tensho. To help you truly relax and enjoy your stay, we welcome you with a variety of Facilities centered around our Onsen and heartfelt hospitality. “One Night, Three Onsens—18 Bath-Hopping Experiences” Ranked 4th overall in The whole country in the 2026 “100 Best Hotels & Ryokan in Japan” selected by professionals

The ancient Hakone Old Highway has carried the dreams of people since time immemorial. Majestic feudal lord processions have come and gone, witnessing the passage of time. Our Ryokan, located in Hakone Yumoto Onsen, offers only 16 rooms to ensure attentive care for each guest. Enjoy our pride, a natural Onsen with "10 types of baths," and savor the vibrant kaiseki cuisine unique to Kamon. We welcome you with heartfelt hospitality so that you can spend your time as you wish in our spacious rooms. Please enjoy the romance of bygone eras in this space that has long healed travelers at Hakone Kamon.

The "Hypotonic Alkaline High-Temperature Onsen," known as the Beauty Skin Bath, features a water quality that gently permeates the skin. Enjoy meticulously crafted kaiseki cuisine made with carefully selected ingredients. Relax and unwind at this tranquil accommodation surrounded by the prefectural tree, Nambu Red Pine.

A historic accommodation with a century-long history has been renewed and reopened as Yamashiro Onsen Miyabi no Yado Kaga Hyakumangoku. Set on an expansive 21,000-tsubo property, it features a stunning Japanese garden that changes with the seasons and spacious facilities. Guests can enjoy seasonal dishes made with locally sourced ingredients and moments of relaxation. The Kaga Hyakumangoku Onsen, drawn from a private source 1,200 meters underground, is a sulfate spring known for its benefits in boosting metabolism, relieving fatigue, and enhancing skin health. Enjoy the large bath area equipped with indoor baths, open-air garden baths, and saunas for an indulgent bathing experience. The lobby showcases modern Japanese-style interiors and offers heartfelt hospitality to welcome you warmly.

Gōra Hanaōgi, where the air is filled with refreshing green particles. The space adorned with ancient zelkova wood blends nostalgic tradition with a stylish future. Enjoy an exquisite holiday.

We invite you to a beautiful time filled with tranquility and comfort. Along the banks of the Tamatsugawa River, surrounded by deep greenery. With a Sukiya-style traditional Japanese design, we welcome you with over a century of cultivated Japanese decor and meticulous hospitality. Kasuien Minami is dedicated to assisting you on your special days and meaningful encounters.

The main residence of the renowned Onsen of Aizu, "Higashiyama Onsen." A Property offering exclusive hospitality to only one group per day. Spend precious time with your loved ones in a relaxed atmosphere at our Property. This is the shared sentiment of all our staff, and we spare no effort to provide heartfelt service. Hearing the words "Thank you" and welcoming you back to Aizu someday—this is our greatest joy. Our head chef, who knows the charm of Aizu's ingredients inside and out, selects only the finest materials. The majestic traditional Japanese architecture, rich in history, is one of the highlights. It is one of the three great wooden mansions of Aizu from the Showa era. Standing proudly at the gateway to Aizu Higashiyama Onsen, in front of the Aizu Samurai Residence, this impressive wooden structure showcases the craftsmanship of master carpenters. The main building, tea rooms steeped in history, and the garden all exude a sense of tradition. Here at "Tsuruga Aizu Higashiyama Main Sanctuary," you can savor a variety of traditional Aizu samurai cuisine, as well as the exquisite "Aizu Brand Horse Meat" with its refined red meat, paired with Aizu's renowned sake.

With only ten rooms, Kounkan. When you visit us, let your five senses relax and enjoy, escaping the daily hustle. Our hospitality is dedicated to your five senses.

A serene accommodation nestled by the murmuring stream of Oku-Amagi. The forest trees cover the valley, yet the bright sunlight of Izu reaches down to illuminate the stream, reflecting a lush green landscape. This area, known as Sekokyo Gorge, offers seasonal scenery that is one of its many charms. The name of our accommodation, "Tanigawa no Yu Asebino," is derived from the abundance of Japanese andromeda (asebi) in this region. The flower language of asebi is "Let's travel together." We warmly invite you to visit Tanigawa no Yu Asebino with your loved one. Free from extravagant decorations or entertainment elements, this place offers a luxurious flow of time. Please seek a moment filled with serenity and elegance at our natural retreat-like accommodation.

A sanctuary where you can feel the scent of the sea breeze, the resort "ATAM Sekai-e" overlooking the endlessly blue Pacific Ocean connecting to the world.The Room features an open-air hot spring bath with a panoramic view of the Pacific, allowing you to enjoy various expressions of the sea, such as the sunrise from the horizon and the moonlit path on the water.Enjoy a unique stay at Sekai-e with carefully prepared dishes using selected seasonal ingredients and activities themed around "health you can take home."

Relaxing time flows at Togatta Onsen, Miyagi Zao, at the Property Onsen Sansou Daikon no Hana. 18 separate rooms nestled in a natural forest of approximately 10,000 tsubo. Onsen water flowing directly from its own source, blending with the rich nature. Dishes prepared using fresh ingredients from the property's own garden and local produce. The tranquil atmosphere pervades the Property. Each detail is carefully crafted, offering simple and heartwarming moments.

Takayu Onsen Ryokan Hige no Ie offers a soothing open-air bath accompanied by the gentle sound of a stream, along with seasonal cuisine crafted with refined sensibility. From every Room, you can enjoy views of the mountains through all four seasons and a clear flowing river.

Senju-an, a villa located in a tranquil mountain valley along the murmuring stream. We offer the highest quality relaxation space, harmoniously blending traditional Japanese and modern styles, with the seasonal backdrop of Mount Tanigawa.

A historic Ryokan in Kusatsu with a legacy dating back to the Edo period. This Ryokan offers natural flowing Onsen from two rare sources within Kusatsu Onsen: "Yubatake-mae Shirahata Source" and "Shirane-san Bandaiko Source." Its prime location right in front of Yubatake, the symbol of Kusatsu Onsen, is another highlight. Enjoy your journey in Kusatsu surrounded by the scent of sulfur and rising steam.

An adults-only hideaway Accommodation with 20 Rooms, nestled in a vast forest of 4,000 tsubo overlooking the Zao Mountain Range. Enjoy exquisite cuisine with in-Room breakfast and dinner served in your private dining area. A seamless, private stay with no need to move about will weave a story that is yours alone.Two types of private baths are available free of charge. Many Rooms also feature open-air baths, so you can indulge whenever you like, as many times as you wish. Public spaces to enrich your stay include a sake cellar, library, and yoga room. Please enjoy refined time indoors—relaxing as if this were your second home.

A Ryokan embraced by the forest. Enjoy delicious meals, comfortable bedding, and private open-air baths in every room.

Though the surface of the water changes from moment to moment, the hot spring continues to flow abundantly beyond time. Its presence recalls Basho’s teaching of “Fueki Ryuko”—that the unchanging and the ever-changing share the same source. Since receiving our charge from Gen’emon Araya, head steward of the hot spring under the Maeda family of the former Daishoji Domain in Kaga, we have carried forward—day by day in our work—the essence of what must remain unchanged and what should evolve. This is the spirit of hospitality our Accommodation hopes to nurture for generations to come.