Onsen & Spa Services

Release your mind,
embraced by the gentle country breezes,
and the soft babbling of the Otozure River

The hot springs of Nagato Yumoto Onsen have been flowing since 1427, in the Muromachi Period.
Take in the scent of the trees carried on the breeze, the sound of flowing water, and soft birdsong.
The large public bath looks out over the flowing waters of the Otozure River, creating a view reminiscient of traditional Japanese "sansui" landscape paintings.
Immerse yourself in the soothing embrace of the soft, alkaline waters, known as a "family bath," because they are gentle enough for those of all ages, from babies to the elderly.

Nagato Yumoto Onsen has been flowing since 1427, in Japan's Muromachi Period (1336-1573).Otani Sanso's large onsen bath is located at one corner of a mountain stream at the base of a sloping foothill.The bathing areas on the 1st and 2nd floors of the ryokan are each of a slightly different style, and together contain 11 different baths.Designated mens and womens bathing areas are alternated according to time slots.With the scent of the trees, the sound of flowing water, and the birdsong carried on the wind,allow yourself to relax mind and body in these soft alkaline waters, said to beautify the skin.
  • Spring Name: Yumoto Onsen Water Type: Alkaline simple hot spring Amount of Water Released: 675.0 L/min PH: 9.67
  • Therapeutic Effects: Nerve pain, musicle soreness, joint/arthitis pain, general fatigue, general health imrpovement, etc.

Soothe your spirit with the sound of flowing water

1st Floor: Seseragi-no-Yu (Murmuring Stream Bath)

In addition to an indoor bath, Seseragi-no-Yu includes baths for lying down and a sauna, as well as cypress and stone outdoor baths, where our guests can relax amongst the greenery and trees, and the sound of trickling water.

See more
1st Floor: Seseragi-no-Yu (Murmuring Stream Bath)

Where the sunlight gently pours in

2nd Floor: Komorebi-no-Yu (Dappled Light Bath)

In Koromorebi-no-Yu, enjoy a spacious indoor bath with space for lying down, a jacuzzi tub and sauna, and in a half-outdoor bath, allow the soft breeze to brush lightly against your cheek. Allow yourself to forget the flow of time as you let your gaze extend farther outward.

See more
2nd Floor: Komorebi-no-Yu (Dappled Light Bath)

Foot Bath

The foot bath is located at one corner of the garden on the lobby lounge side. Have a seat here and discuss your travels to the sound of the waterfall. We also highly recommend visiting at night, when the foot bath is lit up. We also take drink orders.

Hours: 4:00 p.m. - 10:00 p.m.(Last order at 9:30 p.m.)*Closed during inclement weather



The warlord of the old province of Choshu once bathed in these very Yumoto Onsen spring waters.
Enjoy them to your heart's content in the privacy of your own guestroom.


Our rooms offer five different types of scenery, from the beautiful green of the trees seen from the mountain-side rooms, to the babbling brook along the riverside, the view of both mountains and the Otozure River on the river-side, the expanse of rich nature and the clear stream along the mountain stream-side, and a look out over the illumination in the garden-side.
Discover your favorite room from among 10 different types of a total of 21 guest rooms.

See more

For even further relaxation...


Aesthetic Salon

Receive a facial or foot care in our comfortable aesthetic salon.
Make a visit for a luxurious day to soothe both your mind and body.

[Business Hours]

  • 3:00 p.m. - 11:00 p.m. (Reception closes at 10:00 p.m.) *Ladies only
See more

Otozure Grande Spa

The Otozure Grande Spa is located in our sister ryokan, Bettei Otozure.
Experience a blissful release of stress in this tranquil space.

[Business Hours]

  • 2:00 p.m. - 10:00 p.m. (Reception closes at 9:00 p.m.)
See more