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Sakunami Onsen

Aoba, Sendai, Miyagi, Japan
Sakunami Onsen
Location
Aoba, Sendai, Miyagi, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Sakunami Onsen is a historic hot spring resort district approximately 25 kilometers northwest of downtown Sendai in Miyagi Prefecture, Tohoku, situated in the scenic gorge of the Hirose River where the simple mineral waters and the forested valley setting have attracted urban residents seeking respite from city life since the Edo period. Sendai, the largest city in the Tohoku region and the City of Trees for its famous broad zelkova-lined boulevards, has long regarded Sakunami Onsen as its traditional mountain retreat, and generations of Sendai residents have made the short journey into the Ou Mountains to enjoy the thermal baths and the seasonal beauty of the Hirose River valley. The clean simple mineral waters of Sakunami Onsen, known for their gentle and soothing character, have been recommended for a broad range of therapeutic purposes and are particularly favored by those recovering from illness or seeking rest and renewal in the mountain air of the Tohoku highlands.

Insider tip — Sakunami Onsen occupies a narrow gorge along the Hirose River just 30 minutes from central Sendai, making it the city's most accessible mountain escape. The clear bicarbonate water at 40°C is gentle on skin and favored by Sendai residents for weekend recuperation amid cedar and maple forest. The gorge road lined with traditional ryokan is particularly stunning during November koyo foliage season when maples ignite in red and gold. Several small outdoor rotenburo pools overhang the river, offering the soothing sound of rushing water throughout the bath.
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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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).