Osaka Yao City

Yao Grand Hotel

A long-established Osaka onsen ryokan preserving a 2,000-year famed spring

Drinking spring water available
Open 24 Hours
Natural Hot Spring
Free-flow from source
Sauna Available
Hot spring water cold bath

Osaka Yao City

Yao Grand Hotel

A long-established Osaka onsen ryokan preserving a 2,000-year famed spring

Drinking spring water available
Open 24 Hours
Natural Hot Spring
Free-flow from source
Sauna Available
Hot spring water cold bath

About Yao Grand Hotel

Yao Grand Hotel is an onsen ryokan in Yao City, Osaka Prefecture. It offers Yao Natural Hot Spring as a free-flowing source spring; the faintly golden Bihada no Yu (skin-beautifying bath), a sodium chloride and bicarbonate spring, is even potable, making it a rare water quality. The facility is known for its ultra-high-temperature 100°C dry sauna, a large cold plunge bath with a depth of 1.2 m, and the hot-and-cold alternating bath experience called Yao-kagari which pairs a 46°C hot spring with the cold plunge. The hotel also houses one of the country's largest theaters dedicated to popular stage plays.

Hot SpringONSEN

Free-flow from source

Yao Natural Hot Spring

Once beloved as a therapeutic bathing resort, this spring has gathered the earth's bounty over long ages and still wells up continuously today. The water quality is a sodium chloride and bicarbonate hot spring. The slightly golden water has a soft, clingy texture that is gentle on the skin, leaving a slow, deep warmth after bathing. Because of its high heat retention and moisturizing properties, it is known as Bihada no Yu (the skin-beautifying bath). The spring can be enjoyed across a variety of baths including open-air baths, waterfall-jet baths, and medicinal baths. All water is supplied as free-flowing source water, without artificial dilution or reheating, so guests can fully savor the spring's natural power. This long-healing water continues to attract many visitors as a famed Yao hot spring.

SaunaSAUNA

01SAUNA

Sauna 1

Men's

A retractable-seat Bona sauna that heats the seating and walls throughout, this is a traditional ultra-high-temperature dry sauna. It is a blistering space approaching 100°C; enthusiasts even say it makes löyly unnecessary and that it's so hot you can hardly breathe. Guests can sit and sweat profusely while watching TV. This is a classic, authentic 'Showa-era blistering sauna' sought after by advanced sauna users, where dry heat envelops the whole body relentlessly from the moment you enter.

02SAUNA

Sauna 2

Men's

A high-humidity steam room that contrasts with the dry sauna, enveloping the body in moist steam. In this quiet space without a TV, you can focus on sweating while surrendering to gentle steam. Many sauna-goers use it before or after the ultra-hot dry sauna to warm up slowly or to linger in the afterglow toward totonou.

Cold BathCOLD BATH

01COLD BATH

Flow-through

Cold Bath

Men's

A large cold plunge bath boasting an impressive depth of 110–140 cm. The immersive sensation of being fully submerged creates an experience unlike other facilities. A unique feature lets you press a button on the wall to trigger a powerful falling-water jet from above for 3 minutes, producing a distinctive cool-down experience where water flow and chill combine.