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Rotenyu Momiji

1326-11 Naka, Yamaga-shi, Kumamoto 露天湯 椛


A day trip onsen with private open-air baths, that kids will love

This popular day trip onsen is located in a quiet rural area some distance away from the famous Yamaga Onsen.

It features 10 private open-air bath rooms, each with a unique atmosphere and a distinctly designed bath tub.

Some of them include a bath with a slide, a bath with a waterfall, a heart-shaped bath, a cave bath, and a stone bath.

You can check the vacancy status and waiting time for each room on a panel in the entrance. Choose the room you want to rent and buy a ticket from the ticket vending machine.

Note that towels and amenities are not available in the rooms, but you can buy them from the vending machine as well.

The air conditioner in the changing room is coin-operated, so don’t forget to bring coins if you want to cool down in the summer.

After borrowing the key from the reception area, enter the bath room to enjoy the natural pH 9.7 hot spring flowing vigorously into the bath.

The spacious bathtub let you relax without inhibitions in a private atmosphere.

The onsen is a natural alkaline spring with a slight scent of sulfur. It has a gentle quality that will moisturize your skin and keep your body warm after a bath.

Please be careful because the washing area is slippery due to the hot spring ingredients.

When you leave the room, you should unplug the plug of the bathtub. It is cleaned every time you use it and the hot water is completely replaced. So you don’t have to worry about hygiene.

With 100% free-flowing springs that can be enjoyed fresh from the source, this place can get crowded especially during weekends, with some visitors coming from far away.

The bath with the slide is particularly popular with family guests. If the room you want to use is occupied, you can wait while relaxing in a foot bath.

This place is open until late at night, so you can come for a bath after work or a day of sightseeing. If you’re in the Yamaga Onsen area, you should visit this place for a luxurious, relaxing bath.


Private open-air bath 10 rooms
◎Hair dryer
Air conditioner (fee required)
Foot bath (free)
Parking: 30 slots
[Bathing Fees]
60 minute use 1,500-2,800 yen
■Amenity Rental
Small towel 150 yen
Bath towel 400 yen
■Amenity Sales
Small towel 300 yen
Bath towel 700 yen
Other amenities 120 yen each
・Body soap
・Cotton wash
・Face wash
・Skin cleanser/cream
■Amenity Set
For 1 person 500 yen
For 2 persons 1,000 yen
For 2 persons (with rental bath towel) 1,500 yen
1326-11 Naka, Yamaga-shi, Kumamoto Prefecture
■Weekdays 11:00-24:00 (last entry 23:00)
■Sat/Sun/holidays 10:00-25:00 (last entry 24:00)
Rotenyu Momiji
  • Address: 1326-11 Naka, Yamaga-shi
  • City: Kumamoto
  • State/county: Kyushu
  • Zip/Postal Code: 861-0531
  • Country: Japan


Updated on December 28, 2019 at 10:47 am

  • Price: ¥1,500
  • Property Type: Onsen
  • Property Status: All tattoos accepted


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