KawaguchiOnsenOhuSanso

—

Akita Daisen City

Kawaguchi Onsen Ohu Sanso is a hot spring accommodation located in Daisen City, Akita Prefecture. Situated at the foot of the Ohu Mountain Range, the soft natural hot spring with sodium-calcium sulfate warms the body from the core. After sweating thoroughly in the dry sauna, quickly cool down in the 'drinkable cold plunge bath' that lavishly uses the spring water from the Ohu Mountain Range. This famous cold plunge bath is icy even in summer and drops to single digits in winter. Enjoy meals at the restaurant 'Jijimori' and relax in the free rest area. Pet-friendly accommodations are also available.

Hot Spring & Bath Information

Kawaguchi Onsen

TypeNatural Hot Spring

A natural hot spring that springs from the foot of the Ohu Mountain Range. Characterized by its soft sodium-calcium sulfate spring quality, it is gentle on the skin and warms the body from the core. The indoor bath is set at about 42 degrees, and the open-air bath at about 40 degrees, allowing you to enjoy a leisurely bath while gazing at the seasonal scenery. The unique heat retention effect of the sulfate spring keeps the body warm even after bathing, and it is expected to be effective in relieving fatigue and muscle pain.

Sauna

Dry Sauna

95°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity12people

Men's

The dry sauna at Ohu Sanso is a genuine sauna where you can sweat thoroughly at high temperatures. Enjoy a spacious room to sweat at your leisure. After warming your body thoroughly, cool down sharply in the famous 'drinkable cold plunge bath' nearby. The alternating hot and cold baths with the spring water from the Ohu Mountain Range refresh you from the core.

Cold Bath

Drinkable Cold Plunge Bath

12°C

Water QualityNatural Water (Groundwater, Spring, etc.)

Capacity2people

Flow-through✓ Drinkable
Men's

The famous 'drinkable cold plunge bath' of Ohu Sanso. Lavishly flowing with spring water from the Ohu Mountain Range, it boasts a purity that is drinkable. It remains icy even in summer, and the water temperature drops to single digits in winter. Quickly cool down your heated body from the sauna and enjoy the mildness and refreshing sensation unique to natural water.

Business Hours

Monday
08:00〜21:00
Tuesday
08:00〜21:00
Wednesday
08:00〜21:00
Thursday
08:00〜21:00
Friday
08:00〜21:00
Saturday
08:00〜21:00
Sunday
08:00〜21:00
Holiday
08:00〜21:00

Closed Days: None

Address

10-5 Ootayachi, Ota, Daisen City, Akita Prefecture

View on Google Maps

Website

https://moribo.net/
Hotel & Ryokan

Gender Access

Gender Separated

❓
Tattoo Policy
Unknown (Please Check)
Premium Magazine

Japan's Must-Visit Finest Onsen & Sauna Facilities

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.

Learn more