Zao Onsen Dai Rotenburo

Hot Spring / Hot Spring Bath
A famous big open-air bath at the highest point in Zao Onsen town. An open-air bath for men and women made alongside the mountain stream, with capacity for 200 people. An open construction surrounded by Zao’s nature, it is a popular spot for enjoying the hot spring or peaceful walk through the woods. The hot spring water is of the highly acidic sulfur variety, also called the “beauty maker.” It is closed from December to the following March. Take the Yamako Bus to its last stop in the “Zao Onsen” direction.

Spot details

Yamagata Pref. Yamagatashi Zaouonsen Arai-ku 853-3 map map Map
Hours may change depending on the season and weather
Closed from around Mid-Nov. to around Mid-Apr.
[Bathing fee]
[Children (1-12 years old)]400yen
Parking Lot
Credit Card
Not available
Available (Available next to the parking lot)
Not available
Vegetarian Menu
Not available
English Menu
Not available
* Currently, the business hours will be shortened for the time being to prevent the spread of the new coronavirus infection.
[Weekday] 9:30-17:00 (Last reception 16:30)
[Saturday Sunday Public holiday] 9:30-18:00 (Last reception 17:30)

Information Sources:  NAVITIME JAPAN

Articles about this spot


  • Outdoor Onsen with Great Character
    4.0 Reviewed : 2023.01.08
    How wonderful to soak in the Hot Springs breathing in the fresh air and listening to the river while enjoying the autumn colors. Awesome experience!No showers or washing, and very minimal changing...
  • The Great Open Air Bath (and Other Baths) in Zao Onsen Town
    5.0 Reviewed : 2019.07.27
    This is an open-air bath facility at the top of the onsen town with water flowing down along the stream and pouring into it. The facility is quite minimum with no washing space with showers but two...
  • If you love Japanese hot springs...
    5.0 Reviewed : 2019.07.05
    There are a couple in town as well as in hotels that are open to the public. You pay a small token amount, some supply towels and soaps and they are sex segregated as expected. Hot springs that...

TripAdvisor Traveler Rating

View more


map map Map

Nearest spot

          There is no Station nearby. There is no Bus Stop nearby. There is no Parking nearby. There is no IC nearby.

          Share this spot


          Copy to clipboard completed.