Nationwide × Hot Spring Therapy AccommodationRecommended Hotel·Ryokan

A therapeutic Property at the foot of Mount Yake. With a pH of 1.2 and a source temperature of 98 degrees, it offers Japan's most acidic Onsen directly without any additives. Designed for healing and relaxation, with a nurse always on-site. This Facility focuses on physical and mental health rather than tourism. Breakfast is a buffet, lunch is ordered with meal tickets, and dinner is cafeteria-style to promote health from within. For those wishing to enjoy the Onsen as a tourist attraction, please use the affiliated facility, Shin-Tamagawa Onsen.

Indulge in one of Japan's finest Onsen at a mountain resort near Lake Tazawa. This globally rare Onsen boasts three "Japan's best" features: a strong acidic pH of 1.2 with hydrochloric acid as the main component, a source spring that releases 9,000 liters per minute, and Japan's only natural rock bath, renowned for its therapeutic benefits. Surrounded by beech forests, the Property features a warm, barrier-free design, ensuring a comfortable stay even for elderly guests. Enjoy highly praised meals featuring local specialties such as Akita sake and Hinai chicken. A Property that shines with its comprehensive appeal and pride in its Onsen.

Established in the 7th year of Genroku. This is Japan's oldest property architecture designated as an important cultural property, also famous as the model for the movie "Spirited Away." Enjoy four diverse onsen, including the retro-modern "Genroku Onsen" and the "Mori Onsen" that reflects the changing seasons.

A property with the concept of "Wellness and Art." A remarkable fusion of history dating back to the Muromachi period and contemporary art. Enjoy the cultural arts amidst the tranquility of vast nature, along with the blessings of onsen directly from the source and wholesome, body-friendly cuisine.

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."

The Yumoto Saito Ryokan, with a history of 284 years, is a charming property blending the Shirahone Onsen and the traditional ambiance of Shinshu. The onsen, sourced from its own spring since the Kamakura period, is milky white and is said to be effective for gastrointestinal ailments. All 53 guest rooms are named after notable novelists and poets, offering a serene space for relaxation. Additionally, you can savor Japanese seasonal course meals featuring the bounty of Shinshu's mountains and rivers.

With a history of 700 years, this rare Onsen, known for its healing properties for eye ailments, is one of the hidden gems in the whole country. The "Eye Medicine Bath," featuring 100% natural flowing hot spring water, offers lukewarm temperatures perfect for long soaks. Enjoy this historic hidden Onsen, once used as a secret retreat by Uesugi Kenshin.

Meto Onsen Hotel has been cherished as a therapeutic hot spring since its opening in 1901. The Onsen water, unchanged since its discovery, is 100% natural, free-flowing from the source, with no reheating. Enjoy the alkaline simple Onsen with a pH of 9.5, flowing at 120 liters per minute at a source temperature of 60°C, emerging by the Nukanan River from the Daisetsu mountain range. Surrounded by pristine forests, the open-air baths offer a serene natural environment. Relax and rejuvenate in the 100% natural, free-flowing Onsen, and savor your time of bathing. In November 2024, we opened the secluded accommodation wing, "Suou no Iori." This exclusive one-group-per-day private villa is nestled in the heart of nature, featuring a luxurious natural Onsen open-air bath, a wooden deck, a dome-shaped sauna with a wood-burning stove (additional charge depending on the Plan), and an outdoor cold bath. For dining, we present "Yamasemi," a new gourmet space also established in 2024. This addition brings a touch of the extraordinary to the over 100-year history of the hidden gem, Meto Onsen. We look forward to welcoming you.

Heading south from Odawara along Sagami Bay, you will encounter citrus orchards basking in the blessings of sparkling sunlight and dramatic cliffs. Enoura derives its name from "a picturesque coastline." Toyotomi Hideyoshi commissioned Sen no Rikyuu to construct a tea room here, and architect Bruno Taut admired it as "the Eastern Riviera." Enoura Retreat Rinmon, rooted in Enoura, aims to harness the land's blessings to rejuvenate the mind and body, aspiring to be a unique wellness resort.

A historic accommodation established in the first year of the Meiji era, located in Misasa Onsen, renowned for its world-class radon content and registered as a National Tangible Cultural Property. Enjoy a rejuvenating journey with unique onsen directly sourced from beneath your feet, indigo dyeing experiences, Ondol yoga, Mitokusan tours (forest bathing), and various other activities to soothe your mind and body.

The tranquility and gentle flow of the seasons are gifts from the heavens. Walk through the deep green woods. Cross the babbling brook. Reflect under the shadow of crimson leaves. "Kannon Onsen," a property with natural onsen, stands quietly in a serene mountain valley, where the ever-changing beauty of the seasons is reflected. Escape from daily concerns, free your mind and body, and relax at this "healing property."

Experience an extraordinary sense of scale. The grand garden bath, with a depth of 25 meters, features an impressive flow of water, boasting a total daily output of 14 million liters. Sourced from 14 springs across four types, all Onsen baths are fed directly from the source, offering an unparalleled abundance of hot spring water. For dining, indulge in Kagoshima specialties such as Kurobuta Shamo hot pot and Wagyu steak paired perfectly with local shochu. Take a stroll through the "Hundred-Year Cedar Garden," lined with 30,000 cedar trees for a journey back in time. At night, the garden is illuminated to create an even more magical atmosphere. Immerse yourself in the exceptional experience of Kirishima's Onsen paradise for a truly unforgettable escape from everyday life.

Since ancient times, Matsuyama-Dogo has been cherished across eras as a hot spring town rich in blessings and cultural aroma. The Housou Hotel Dogo Onsen offers rooms with open-air baths, a rooftop large bath, and other facilities, providing a new relaxation space in the hot spring area. It is reborn as a "modern hot spring retreat" to enjoy hot springs more casually and familiarly.

A long-established Property located on the slopes of Mount Eboshi, one of the five peaks of Mount Aso, preserving the Jigoku Onsen which first opened in 1803. Stepping into the main building, which is over 100 years old and has been renovated after the Kumamoto Earthquake, feels like entering a different world, as if traveling back in time. The Onsen features three different sources, offering 11 baths across four locations, each with unique water qualities and atmospheres. Guests can enjoy the "Suzume no Yu," a "miraculous bath" rich in sulfur content with water bubbling up from the ground, as well as the highly acidic "Moto no Yu" and "Tamago no Yu," choosing baths based on their benefits and purposes. For dinner, a variety of courses are available, including seasonal hot pots, irori hearth dishes, and Kyoto-style kaiseki cuisine. Local wild boar and venison, caught by local hunters, offer a rustic and unique taste of Aso. Experience the blessings of magnificent nature through the Onsen and cuisine.

Asahidake Onsen "Yumoto Yukomanso" is a Property located within Daisetsuzan National Park, where you can enjoy five natural hot spring sources and the great outdoors. Situated at Asahidake in the Daisetsuzan mountain range, Yukomanso is surrounded by majestic nature and beautiful alpine plants, beloved by many hikers. In spring, you can see budding plants amidst the lingering snow; in summer, vibrant alpine flowers in full bloom; in autumn, Japan's earliest autumn foliage; and in winter, the finest powder snow. The Onsen at Yukomanso has been continuously flowing since its discovery in 1914, providing over 300 liters of water per minute as its source. All five hot spring sources are natural free-flowing springs. Without any temperature adjustments, the spring water is directly channeled into the baths, allowing you to truly feel the blessings of nature. Water, air, Onsen... Spend a luxurious time surrounded by the wonders of nature.

Naruko Hotel is an Onsen Accommodation that carries on the hot-spring healing culture dating back to 1873. Enjoy a refined and relaxing stay.\n\nJapan is said to have 11 types of hot-spring water, and Naruko Onsenkyo offers 9 of them. Our Hotel has three private spring sources (sulfur–sodium–chloride and sulfate springs), known for benefits such as promoting beautiful skin, supporting women’s health, easing rheumatism, and relieving neuralgia.\n\nOur free-flowing natural spring water changes color depending on the outside air and humidity—ranging from clear to clear green, milky white, or olive green—so you can enjoy subtle seasonal variations.\n\nA naturally gushing spring that rises from deep underground is managed around the clock by five dedicated bath attendants.

KURBIO is a name derived from the combination of the German word "KUR," meaning "healing, recovery, treatment," and the Greek word "BIOS," meaning "life." KUR is often associated with Kurhaus (a Facility for therapeutic and recuperative purposes, often featuring an Onsen), and BIO is commonly heard in recent years in the context of macrobiotics (a dietary approach translated as "the art of longevity"). Kusatsu Onsen Hotel KURBIO is designed with the desire to help guests restore their physical and mental health through both aspects. It offers a serene environment, the renowned hot springs of Kusatsu, and daily meal menus based on macrobiotics. This is a new style of healthy resort that has not existed in Japan before.

Located in the heart of Mount Hakkoda in Aomori Prefecture, "Sukayu Onsen Ryokan" is a one-of-a-kind Onsen Ryokan where tradition and natural beauty come together. Its famous "Sen-nin Buro" (Thousand-Person Bath) is one of Japan's largest mixed-gender communal baths, offering an unforgettable experience for all visitors. From the fresh green and vibrant autumn foliage of the beech forests in spring and fall to the breathtaking snow-covered landscapes in winter, you can enjoy the beauty of each season. The Onsen, known for its highly acidic sulfuric waters, is renowned for its skin-beautifying and refreshing effects, providing a rejuvenating experience for both body and mind. Indulge in a luxurious escape from everyday life at Sukayu Onsen, a place steeped in history and tradition.