Sukayu Onsen is a ryokan located in the Hakkōda Mountains, known for its large mixed indoor bath called “Hiba Sennin-buro.” The bath can accommodate dozens of people and is filled with sulfur-rich hot spring water. Separate baths for men and women are also available.

The establishment dates back to the 17th century and operates as a traditional ryokan offering overnight stays with meals. Day-use access is also possible.

The site is open year-round, although winter conditions can be severe with heavy snowfall. It is accessible by bus from Aomori.

Price

≈ ¥1,000 (day use)
≈ ¥10,000–20,000 per night with meals included