YunotaniHotSpring(YunotaniOnsen)

A blissful hot-spring inn where you can enjoy a naturally emergent cold mineral spring directly in a cold plunge bath, with 1400 years of history

Ehime Saijo City

Yunotani Hot Spring (Yunotani Onsen) is a hot-spring inn in Saijo City, Ehime Prefecture, boasting a naturally emergent cold mineral spring with a history of about 1400 years, said to have been used even by Empress Saimei. It also serves as a beloved public bath for pilgrims and local residents. The greatest attraction is the superb spring-fed cold plunge bath that is poured directly from the source. After warming up in the sauna, being enveloped by the silky cold mineral spring with a faint sulfur scent is an experience that has captivated many sauna enthusiasts. Along with the wood-fired heated onsen baths, you can enjoy an exquisite alternating hot-and-cold bathing experience.

Hot Spring & Bath Information

Yunotani Hot Spring (Yunotani Onsen)

TypeNatural Hot Spring

High-quality cold mineral spring water from the source is provided 100% and traditionally heated with firewood. The bathing area is partitioned to offer different temperatures—hot, warm, and the source water in the cold plunge bath—so you can enjoy three temperature levels. Fine mineral particles float in the water, creating an authentic onsen atmosphere. The waters are also known for strong skin-beautifying effects, leaving the skin silky smooth.

Sauna

Sauna

0

Sauna TypeDry Sauna

Stove Typefar_infrared

Men'sWomen's

A dry sauna located at the back of the bathing area. The men's side uses a gas-fired far-infrared stove at about 90°C, and the women's side uses an electric heater at about 84°C. It holds about 8 people and has an elongated layout. Calm lighting and textured walls create a comfortable atmosphere, allowing guests to sweat quietly and steadily.

Cold Bath

Spring-fed cold plunge bath

0

Water Qualityhot_spring

Men'sWomen's

The highlight of Yunotani Hot Spring, a spring-fed cold plunge bath poured directly from the source. The water temperature is around 17°C–18°C. The naturally emergent, mildly alkaline, low-tonicity cold mineral spring is used as is, giving the water an exceptionally smooth feel. A faint sulfur scent lingers, and the spring minerals provide an exquisite cool-down that seems to permeate the body. The bath is also deep, allowing for full-body immersion.

Business Hours

Monday
08:30〜22:00
Tuesday
08:30〜22:00
Wednesday
08:30〜22:00
Thursday
08:30〜22:00
Friday
08:30〜22:00
Saturday
08:30〜22:00
Sunday
08:30〜22:00
Holiday
08:30〜22:00

Closed Days: None

Address

1193 Sunouchi Ko, Saijo City, Ehime Prefecture 793-0053, Japan

Hotel & Ryokan

Gender Access

Gender Separated

🚫
Tattoo Policy
No Tattoos
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