Onsen areasTohokuAomoriTohokuAomori1 onsen areaAomoriSukayu Onsen酸ヶ湯温泉Sole-inn onsen high in the Hakkōda mountains, famous for the 'Hiba sennin-buro' — a 160-畳 cypress-wood mixed bath fed by strong acidic sulfur springs.2 placesTohoku — Onsen areasIwateMiyagiAkitaYamagataFukushima