The best area to stay in Sukayu Onsen is directly within the Sukayu Onsen complex itself, as it is a singular, historic hot spring resort located in the Hakkoda Mountains.This area is renowned for its traditional hot spring experience, particularly the "Sennin-buro" or "Bath of a Thousand People," a large mixed-gender public bath. The resort is situated amidst natural beauty, offering access to hiking trails and stunning mountain views. It's a place where the focus is entirely on relaxation and experiencing authentic Japanese onsen culture, with the main building housing all the facilities.For travelers seeking a traditional Japanese onsen experience, Sukayu Onsen is ideal. It offers a unique opportunity to stay in a historic ryokan, enjoy mineral-rich hot springs, and savor local cuisine, all within a tranquil mountain setting.