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Oshuku Onsen

Oshuku, Iwate Prefecture, Japan
Oshuku Onsen
Location
Oshuku, Iwate Prefecture, Japan
Water type
thermal
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Balancing
LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesCalcium

Oshuku Onsen—Folded Hands Reverence Spring—takes its name from oshuku, the act of pressing palms together in the gesture of respectful greeting or prayerful reverence—a gesture that in Japanese culture marks the threshold between ordinary and sacred space, and whose appearance in a spring name suggests a thermal spring approached with the same reverent attention one brings to a temple or shrine. Simple alkaline waters provide the gentle, universally accessible mineral soak that is most consistent with the reverential framing of the spring's name—a spring approached with quiet respect rather than recreational enthusiasm, its therapeutic mineral waters received as a gift from the geological sacred rather than consumed as a leisure commodity. The folded-hands name creates a spring of particular spiritual and devotional quality within Japan's broad spectrum of thermal spring cultural framings.

Insider tip — Oshuku Onsen sits deep in the Kitakami Mountains of Iwate Prefecture, reached by a winding road that discourages casual visitors and preserves a genuine retreat atmosphere. The warm alkaline waters are clear and neutral, considered ideal for relaxation after long mountain hikes. In winter the road can become snowbound, making this a true off-grid sanctuary for those who plan ahead. The small number of guest rooms and personal service from family innkeepers provide an intimacy rare in larger hot spring resorts.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).