Nationwide × Rooms With Open-Air Baths Popular At StaysRecommended Hotel·Ryokan - 50Page Number

A culinary experience that draws out rich flavors over a wood fire, showcasing ingredients from the Setouchi region. In a space designed by architect and artist Fumihiko Sano, art by emerging creators comes to life. At the top-floor Sky Spa overlooking Miyajima, enjoy Miyahama Natural Onsen and a sauna in a shared, swimsuit-required setting—an elevated wellness experience to share views and time with someone special. Across all 34 rooms, where natural materials meet master craftsmanship, settle into a quiet stay immersed in Hiroshima’s climate and culture.

“A home away from home—relax as if you’ve returned to your own.” We strive every day to remain an Accommodation that offers that feeling.

In the secluded stillness of Kurohime, Nagano, stands “Lomä.” Here, embraced by the sacred presence of the Five Mountains of Northern Shinshu and scenery as picturesque as a painting in every season, we offer just 10 suites—each over 100 sqm.Every Room features a private rock-bath Onsen. Sink into the bath and feel as though you are melting into Kurohime’s breathtaking views. We deliver an exceptional stay that can only be described as the height of indulgence.Light pours in through expansive windows, and the gentle hint of breeze carries you away from everyday noise. Soft, soothing waters wrap your skin and unwind even your mind.A dedicated butler quietly supports each guest’s preferred way of spending time, devoting themselves so you can entrust every moment of your stay with complete peace of mind.For adults who know true luxury—what satisfies next. A hidden sanctuary for the luxury of doing nothing: an exquisite resort.

We cherish a quietly flowing sense of time, focusing on stays for two, such as couples and partners. From the guest rooms and baths, you can hear the gentle murmur of the river and relax away from everyday life. Meals are prepared entirely by hand, featuring ingredients mainly from Gunma Prefecture. There is no large public bath; instead, you may use our three private reservable baths free of charge. Each bath is supplied with “Gomusō-no-Yu,” the original hot spring source of Shima Onsen.

With “tranquility” and “space” as its guiding themes, a 26-room luxury Hotel will open in the mountains of Atami in August 2026. Every room features a private Onsen, offering a night spent in quiet calm just away from the bustle of town. For dining, we also offer a full-course menu crafted by a chef devoted to Shizuoka’s finest ingredients. In our lounge overlooking Atami’s sky and sea, enjoy drinks and light bites at your leisure while soaking in a footbath. Not “a trip to go somewhere,” but “a trip to spend time here”— Unwind and savor moments of effortless comfort, just as you are.

Unnan Yoshida is a place often called the cradle of Japan, where the Yamata-no-Orochi legend, the ancient Izumo kingdom, and some 1,400 years of Tatara ironmaking history converge. In this Japan Heritage–designated area, we have preserved a 150-year-old former village headman’s residence and welcome just one party per day as an exclusive Accommodation. Managed by Chef Ikenoya, our Japanese-French restaurant “Wakatsuki Saryo” features local vegetables and game, fish from the Sea of Japan, and aged Shimane beef; alongside it is our private suite “Hon-an,” with an entrance room adorned with an Izumo magatama jewel and a reservable semi-open-air bath. Deep in the mountains where memories of iron lie dormant, savor a night devoted to this very moment.

Below you lies a charming Onsen town, and straight ahead stands the majestic Mt. Yufu.With breathtaking views that change with the seasons, we offer a stay where tranquility and luxury are perfectly balanced.In the morning, Yufuin is wrapped in mist; by day, clear blue skies frame Mt. Yufu’s ridgeline; at dusk, the mountains glow in gold; and at night, a sky full of stars.Only here can you experience the gentle passage of time that lets your mind truly unwind.

Approximately 30 minutes by car from Aso Kumamoto Airport and about 70 minutes by car from Kumamoto Station. A free shuttle bus also operates from the airport (please check the official website for details).In our complimentary lounge, enjoy a welcome drink while taking in the natural scenery of Aso; alcoholic beverages are available from 6:00 PM. We also offer a range of complimentary services, including light snacks, late-night soba noodles, and after-bath ice cream.In the spacious large public bath with natural hot spring water, savor a blissful moment while feeling the refreshing highland breeze. Three private baths with different atmospheres and a private sauna are also available.For dinner, choose between Japanese or Western cuisine featuring seasonal dishes that make generous use of local specialties such as Kumamoto’s renowned Akaushi beef. At La Vista Minami Aso, we offer a stay that brings you close to nature and leaves both body and mind fully refreshed.

Nestled in the nature of San’in Kaigan National Park, “The Sanaton” is an Accommodation that gently speaks to your senses, in tune with the rhythm of the sea and wind. Choose from three distinct villa types; the rowhouse villas feature a semi-open-air bath filled with natural underground water.Dinner and breakfast are served at our dining venue “Ruonto,” where we offer carefully crafted kaiseki cuisine showcasing Kasumi’s seasonal bounty. In a space that cherishes tranquility and openness, enjoy peaceful moments spent alongside nature.You may also use the natural Onsen at our affiliated facility, “Sadasuke.”

Hotel Nagasaki offers a stay with breathtaking views of Nagasaki.From the moment you check in, you can enjoy stunning scenery throughout your stay.By day, take in panoramic views of the city—spot even World Heritage sites among the streetscape.You can also see the beautiful harbor, Megami Bridge, and large cruise ships arriving and docked.At night, the city transforms into a view selected as one of the New Three Great Night Views of the World.This is a night view you can enjoy only from this hilltop location.(Full renovation of all rooms completed in 2026)

HOTEL THE MITSUI HAKONE will open within Fuji-Hakone-Izu National Park on a vast site of over 130,000 m²—once home to a cluster of Mitsui family villas. Here, where history and nature resonate in harmony, a new story begins, following the award-winning HOTEL THE MITSUI KYOTO. Gaze out to Mt. Asama and listen to the gentle murmur of the Jabone River. All 126 rooms—including suites and villas—feature Onsen water drawn from springs on the property. At the Thermal Spring Spa, Kowakidani Onsen and original treatments offer time to deeply unwind body and mind. A range of experiences that connect you with local culture and nature brings fresh discoveries to your journey. Enjoy Japanese cuisine including kaiseki, sushi, and teppanyaki; an all-day dining venue that reflects local bounty and the changing seasons; and a bar for savoring the lingering notes of your day. Immerse yourself in timeless Onsen waters and ever-changing natural beauty, and spend moments of quiet luxury found only here.

As an adults-only Accommodation, you can unwind at your leisure with our azure open-air bath and Japanese garden, and uniquely designed guest rooms—each with a different style.Meals are served in the restaurant, featuring Niigata’s locally sourced seasonal ingredients nurtured by its rich natural environment.

A secluded Accommodation in Hakone Gora, featuring an open-air bath in every room. A “Sukiya Resilience” stay that helps you rediscover your true self, drawing on the spirit of the tea ceremony and the essence of Japanese mindfulness.

Set on a vast 13,567 m² property with views of Mt. Yufu as it changes with the seasons. All 39 rooms feature a private Onsen bath, so you can soak whenever you like. At the thermal spa combining sauna and Onsen, enjoy bathing in swimwear, sauna sessions, and open-air relaxation until midnight (24:00). For dining, Japanese cuisine, sushi, Korean dishes, and a café & bar are all on one floor—offering an international selection from morning to night. Enjoy a new kind of stay in Yufuin, exactly as you wish.

Just 50 minutes from central Tokyo, this small luxury hotel with a Showa-modern flair sits on a hilltop in Atami, a resort town embraced by sea and mountains.With only five guest rooms, each offers sweeping ocean views where you can enjoy the ever-changing horizon and sky throughout the day. Every room features its own hot spring bath, gently easing away daily fatigue and offering precious time to restore your peace of mind.In the dining room, we serve authentic Japanese cuisine crafted dish by dish by our chefs using seasonal ingredients from Shizuoka.Nearby, you’ll find diving spots and herb gardens—perfect for spending time surrounded by the breath of nature.