Hokkaido Kushiro City
Every room comes with a private open-air hot spring bath. A quiet adults-only hideaway embraced by the nature of Akan
"Akan Tsuruga Bessou Hina no Za" is a hot spring inn in Akanko Onsen, Kushiro, Hokkaido, where every room comes with a private open-air hot spring bath. All rooms are suite-style, and only guests of junior high school age and older are allowed to stay, ensuring a serene private retreat. The property features multiple public baths with different atmospheres, including a milky blue bath overlooking Lake Akan and a cut-stone bath with a gentle texture, allowing guests to fully enjoy the soft natural hot spring water. The public baths are also equipped with a bedrock bath, and facilities such as spa treatments using rare Japanese essential oils provide deep relaxation. Far from the hustle and bustle of everyday life, guests can spend blissful moments in harmony with the nature of Akan.

A cut-stone public bath where you can enjoy the natural hot spring, with its smooth and gentle feel, straight from the source. The perfectly balanced tub size, neither too large nor too small, creates a calm and peaceful atmosphere. You can relax into the silky water and warm yourself all the way through.

An open, spacious public bath with sweeping views of the beautiful scenery of Lake Akan below. Milky blue waters glow in the light filtering through the trees, creating a sparkling, dreamlike scene. The indoor bath is filled with natural hot spring water straight from the source, and in the open-air bath you can fully enjoy a pleasant soak together with the fresh air of Akan.

A private open-air hot spring bath in every room, each with its own distinctive atmosphere. In a space free from interruption, you can enjoy bathing whenever you like while taking in the refreshing scent of the lake and the beautiful natural scenery of Akan. The luxurious time wrapped in silence is a special experience unique to this inn.

A quiet bedrock bath area adjoining the public baths. By lying on the warm stones, you can gradually warm your body from the core through the effects of far-infrared rays and work up a pleasant sweat. Used together with bathing in the natural hot spring, it offers a soothing space for deeper detox and relaxation.
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JAPAN'S FINEST ONSEN & SAUNA
The Finest Onsen & Sauna in Japan
61 SELECTIONS
Most of what we surveyed never even made it onto this site. This book is a further cut from what did. Our editor bathed in every onsen and sauna in it, and wrote only what they confirmed on the ground.