八甲田ホテルはっこうだホテル
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Shared bathing area for all genders
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
On-site or nearby parking available
Hakkoda Hotel sits on the Hakkoda plateau in Aomori and draws its water from the Arakawa source, a strongly acidic spring that runs clear. The main bath hall is lined with Aomori hiba (青森ヒバ), a local hinoki-like timber prized for its scent, and a wall of windows looks out over an untouched beech forest. There is also a sauna with a cold plunge. Guests staying at the hotel get free access to the sister facility Sukayu Onsen (酸ヶ湯温泉) via a scheduled shuttle, which is the main draw for many visitors.
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Last updated June 25, 2026