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Shimojo Onsen

Shimojo, Nagano, Japan
Shimojo Onsen
Location
Shimojo, Nagano, Japan
Water type
thermal
Temperature
40 °C
pH
7.3

Water profile

Thermicity
Sedative
40 °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

Shimojo Onsen—Lower Path Spring—takes its name from its topographic position on the lower portion of a mountain slope or along the lower route of a traditional pathway, a directional naming that situates the spring precisely within the vertical geography of Nagano Prefecture's highland landscape, where the distinction between upper and lower paths through mountain terrain was a practical and culturally significant marker of accessibility and thermal spring location. Simple alkaline waters provide the gentle, skin-softening mineral soak accessible to all who travel the lower mountain path in search of the restorative warmth that this Nagano spring provides at the accessible lower elevation of its highland setting. The lower path name suggests a spring of approachable, democratic character—not the demanding high-altitude frontier spring of the summit zone, but the welcoming thermal facility placed on the path that most travelers naturally follow.

Insider tip — Shimojo Onsen is located in Shimojo Village in the Shimo-Ina district of Nagano, set deep in a forested valley of the Tenryu River basin. The clear alkaline thermal water emerges at a moderate temperature that soothes tired muscles without being overpowering. The area around Shimojo is part of the scenic Minami-Shinshu region, appreciated for its preserved historic post-town atmosphere and mountain vistas.
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Nearby

Frequently asked questions

How hot is the water?
The water runs quite hot here, around 40 °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).