Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Morioka Onsen is a restorative hot spring in Morioka city, the prefectural capital of Iwate in northern Tohoku — a historic castle city where the Kitakami, Nakatsu, and Shizukuishi rivers converge beneath the striking backdrop of Mount Iwate, a majestic 2,038-meter volcano known as the Fuji of the North for its symmetrical cone visible from the city center. The siliceous thermal waters provide skin-softening and relaxation benefits, serving Morioka's diverse urban population who have inherited one of Tohoku's richest cultural traditions. The city's famous culinary culture — encompassing the Wanko Soba noodle challenge, Morioka reimen cold noodles, and jajamen thick pasta — and the granite outcrops and cherry blossoms of Kōjōji temple add character to this northern capital's onsen experience.
Insider tip — Morioka Onsen lies at the foot of the Ou Mountains in Iwate Prefecture, where alkaline bicarbonate waters rise at a steady 40°C. The baths are favored by locals after long workdays in this regional capital city. Morning sessions offer views of the surrounding wooded hills before the crowds arrive. Pair your soak with a bowl of wanko soba, Morioka's signature dish, available just minutes from the bathhouse.