What is Shinzaemon no Yu?

Zao Onsen is known as the oldest hot spring in Yamagata Prefecture, believed to have a history dating back 1,900 years. Its strongly acidic sulfurous spring is said to be effective for cuts, burns, chronic skin diseases, physically weak children, chronic women’s diseases, diabetes, high-blood pressure, arteriosclerosis, and more. It is believed to be also good for making the skin smooth and beautiful, and it has been enjoyed as a “hot spring of beauty” since ancient times.

In Shinzaemon no Yu, open-air hot spring baths are always filled with highly effective and fresh hot spring water abundantly upwelling from the spring sources. You can enjoy 100% natural hot spring water in a relaxed manner, feeling the beautiful sceneries of all four seasons of mountains in Zao.

For those who have sensitive skin, we also have Shiroku no Yu, Kame Yu, and an indoor hot bath so that they can fully enjoy the hot spring water in Zao. We hope that as many visitors as possible will have a relaxing time in these hot spring baths.

Restaurant, Resting Rooms, and Souvenir Shop

In the restaurant, we serve soba noodles and Yamagata beef, specialties of Yamagata Prefecture as well as seasonable dishes such as Imoni (a hot pot dish using taro and other ingredients) and Bakurou nabe (a hot pot dish using udon noodles and other various ingredients).

Also available are free and large resting rooms where visitors can relax after taking hot spring baths, private resting rooms where a family or a group of friends can relax and enjoy meals privately, and a souvenir shop where there are souvenirs, items for memories of their trip, and cafe menus available.

Cleanliness to Accentuate the Natural Hot Springs

What is the most important thing to enjoy every minute of taking 100% natural hot spring baths is to maintain a clean space. We always polish up every corner of the facility to make a relaxing time greater.

Open-Air Hot Spring Baths for a Beautiful Mind and Body

Known as the second strongest acidic hot spring water in Japan, the hot spring in Zao is said to make the skin beautiful, and it has been popular as a hot spring of beauty.
A comfortable time in the open-air hot spring baths with a wide variety of seasonal views will make the mind and body beautiful.

Cleanliness to Accentuate the Natural Hot Springs

What is the most important thing to enjoy every minute of taking 100% natural hot spring baths is to maintain a clean space. We always polish up every corner of the facility to make a relaxing time greater.

Open-Air Hot Spring Baths for a Beautiful Mind and Body

Known as the second strongest acidic hot spring water in Japan, the hot spring in Zao is said to make the skin beautiful, and it has been popular as a hot spring of beauty.
A comfortable time in the open-air hot spring baths with a wide variety of seasonal views will make the mind and body beautiful.

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Resting Rooms for a Quick Break

We have free restaging rooms where visitors can lie down a little on the tatami-mat floor after taking a hot spring bath and fee-charging private tatami-mat rooms for a family or a group of friends to relax or enjoy meeting.

Massage Room for Relieving the Day's Fatigue

In the massage room, a massager kneads the body that has warmed up and been relaxed in the hot spring baths, adding richness to a relaxing time.

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Resting Rooms for a Quick Break

We have free restaging rooms where visitors can lie down a little on the tatami-mat floor after taking a hot spring bath and fee-charging private tatami-mat rooms for a family or a group of friends to relax or enjoy meeting.

Massage Room for Relieving the Day's Fatigue

In the massage room, a massager kneads the body that has warmed up and been relaxed in the hot spring baths, adding richness to a relaxing time.

Souvenir Shop: Just Looking Around Inside is Enjoyable

Specialties of Zao and Yamagata are on display in the shop with the Japanese antique interior. As visitors can feel the atmosphere of the Showa era, it is enjoyable to just look around inside the shop.

Footbath: An Easy Natural Hot Spring Experience in Zao Onsen

At the footbath, visitors can easily experience high-quality Zao Onsen, which is 100% natural hot spring water, the same hot spring water as used in the hot spring baths.
The footbath is closed during the winter season (December~March).

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Souvenir Shop: Just Looking Around Inside is Enjoyable

Specialties of Zao and Yamagata are on display in the shop with the Japanese antique interior. As visitors can feel the atmosphere of the Showa era, it is enjoyable to just look around inside the shop.

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Footbath: An Easy Natural Hot Spring Experience in Zao Onsen

At the footbath, visitors can easily experience high-quality Zao Onsen, which is 100% natural hot spring water, the same hot spring water as used in the hot spring baths.
The footbath is closed during the winter season (December~March).

Information

OPENING HOURS

10:00-18:00 (Last admission: 17:30)

CLOSED DAYS

Wednesdays are closed.

Restaurant Yunohana Chaya is closed on Tuesday, Wednesday and Thursday.

ADMISSION FEES

Hot Spring Baths

Adult……………750 yen
Child……………400 yen
Infant aged three and above…200 yen

Convenient and money-saving bathing coupon tickets are available! (7,500 yen for 12 tickets)

Resting Rooms (Fee-charging Private Room)

Private Room for 6 persons (12 tatami mats)…3,000 yen for 2 hours
Private Room for 8 persons (15 tatami mats)…4,000 yen for 2 hours

Free resting rooms (20 tatami-mat large room) are available only with the admission fee.

Restaurant Yunohana Chaya

Private Room Plan including Meals

We have a one-day trip plan with meals, which includes fees for a private room and meals. After taking hot spring baths, you can enjoy your meals at ease. This plan is best suited for a family or a group of friends.

Ju-hyou Plan
4,700 yen (tax excluded) per person/2~10 people

Komakusa Plan
3,800 yen (tax excluded) per person/3~10 people

Imoni Plan
3,800 yen (tax excluded) per person/3~10 people

For reservation, please call...023-693-1212
Order Time: 10:00~18:00 A reservation is required two days in advance (by 16:00).

Photo Gallery & Event Information

Access

905 Kawamae, Zaoonsen, Yamagata City, Yamagata Prefecture 990-2301 Japan
TEL.023-693-1212
FAX.023-693-0333

PARKING

Free parking for 65 cars / During the winter season only, parking fees are charged as follows.

  • Visitors for hot spring bath…3-hour free parking
  • Visitors with more than 1,000 yen minimum purchase at the souvenir shop…1-hour free parking
  • 300 yen per hour will be charged for the time exceeding the limits above.
  • Please present your parking ticket at the entrance and the cash register.
  • We are not liable for theft and any other accident in the parking lots.

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