Okutsu Onsen — Hamacho-kan Ryokan

Hamacho-kan is a traditional ryokan at Okutsu Onsen, a quiet hot spring town in Kagamino, in the mountainous Tomata district of northern Okayama. The setting is a classic Japanese hot-spring inn built along the Yoshino River, with tatami guest rooms and bathing facilities drawing on Okutsu's calcium bicarbonate spring water, known locally for its gentle effect on skin and its use in post-exercise recovery. The ryokan offers an indoor bath fed by the mineral spring alongside an open-air bath set among trees, giving bathers a forest-facing soak distinct from the town's more built-up bathhouses. Guests can also reserve a private indoor bath within the ryokan itself for a more secluded soak. For visitors wanting an additional treatment beyond bathing, a ganban-yoku stone bath — a low-heat lie-down therapy on heated stone slabs, distinct from Western spa treatments — is available at a nearby facility. There is no dedicated massage therapist or spa treatment menu on site; the focus is squarely on the mineral bath itself and the ryokan's kaiseki-style dining for overnight guests. Day-use bathing is offered in a limited midday window and requires advance reservation, while overnight guests have access to the baths throughout their stay. The overall atmosphere is that of a small mountain onsen town rather than a resort, appealing to visitors seeking a traditional, low-key hot-spring experience.