Hot Spring Ryokan Sansui

♨️An adults-only hilltop ryokan with 16 free-flowing baths facing Mt. Waita

Kumamoto · Ryokan Sansui

1

An adults-only inn atop Hagenoyu Onsen

• ⛰️Sits on the highest ground in Hagenoyu Onsen, part of the Waita Onsen village, at about 800 m with a direct view of Mt. Waita.
• 🤫An adults-only ryokan: children are not accepted, to keep stays quiet.
• 🏡A small family-run inn with 15 rooms in total, where the okami (landlady) greets guests herself.

2

Sennin-no-yu mixed open-air bath

• ♨️All 16 baths on site are fed by free-flowing spring water; Sennin-no-yu has a mixed open-air bath, men's and women's indoor and outdoor baths, and two family baths.
• 👘The mixed open-air bath requires a bathing wrap (yuami-gi) or swimsuit; overnight guests can rent a wrap for a fee.
• 🕖Sennin-no-yu is open from 7:00 a.m. to 10:00 p.m.

3

Guest-only baths and seven family baths

• 🔑Next to the main building are guest-only men's and women's indoor baths plus seven private family baths, free for overnight guests.
• 🪨Each family bath has its own character, including a cave-style bath built from stacked stones.
• 🚫Day visitors (500 yen) cannot use the family baths; day bathing is limited to ages 18+ and guests with tattoos are not admitted.

4

Rooms

• 🛖The detached cottage has an 8-tatami room, a bedroom, an indoor spring-fed bath and a mini kitchen, about a 150 m walk from the main building.
• 🛁A Japanese-Western room (8 tatami + bedroom) and an 8-tatami Japanese room each come with a private open-air spring bath.
• 🛏️The main building's 8- and 6-tatami rooms have no in-room bath; all rooms have free Wi-Fi and washlet toilets.

5

Kaiseki with seafood from Amakusa

• 🦞The chef prepares kaiseki dish by dish from seafood shipped directly from Amakusa and Kumamoto produce.
• 🍱Choose the chef's omakase kaiseki, the Ise lobster kaiseki with lobster sashimi, or the popular Sansui kaiseki.
• 🐟A live fish tank stands at the entrance; extras such as Kumamoto red-beef steak (200 g, 5,500 yen) and hell-steamed chicken must be ordered in advance.

6

Breakfast steamed over the hot spring

• 🥢The signature seiro dish is steamed in its basket with hot-spring steam in the open kitchen once you are seated.
• 🚪Meals are served in a private dining space for each party, with sunken-kotatsu rooms or table seating.
• 🕕Dinner is served from 6:00 p.m. and breakfast from 8:00 a.m.

7

Nearby sights

• 💧Nabegataki Falls Park, where you can view the waterfall from behind, is about 20 minutes by car.
• 🎨The Sakamoto Zenzo Museum of Art is about 20 minutes by car and the Kitasato Shibasaburo Memorial Museum about 10 minutes.
• ♨️Yukemuri Chaya, a day-use spa with a hot-spring steam bath, is about a 10-minute walk away.

8

Getting there

• 🚗There is no rail service, so driving is recommended: about 30 minutes from Kokonoe IC and about 1 hour 20 minutes from Aso Kumamoto Airport.
• 🚕About 15 minutes by taxi from the Oguni town office.
• 🅿️Free outdoor parking, first come first served, no reservation needed.

3

Guest-only baths and seven family baths

• 🔑Next to the main building are guest-only men's and women's indoor baths plus seven private family baths, free for overnight guests.
• 🪨Each family bath has its own character, including a cave-style bath built from stacked stones.
• 🚫Day visitors (500 yen) cannot use the family baths; day bathing is limited to ages 18+ and guests with tattoos are not admitted.

4

Rooms

• 🛖The detached cottage has an 8-tatami room, a bedroom, an indoor spring-fed bath and a mini kitchen, about a 150 m walk from the main building.
• 🛁A Japanese-Western room (8 tatami + bedroom) and an 8-tatami Japanese room each come with a private open-air spring bath.
• 🛏️The main building's 8- and 6-tatami rooms have no in-room bath; all rooms have free Wi-Fi and washlet toilets.

Show more (6 more)▾

An adults-only retreat for quietly enjoying 16 free-flowing baths and Amakusa seafood kaiseki. Note that the mixed open-air bath requires a wrap or swimsuit, there is no train access, and the detached cottage is about a 150 m walk from the main building.

#WaitaOnsen#HagenoyuOnsen#KumamotoRyokan#OguniRyokan#AdultsOnlyRyokan#MixedBath#PrivateFamilyBath#RoomWithOnsen

* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.

From onsen etiquette to check-in — the things worth knowing first.

What are the check-in and check-out times at Hot Spring Ryokan Sansui?

Check-in starts at 15:00 and check-out is by 10:00.

Where is Hot Spring Ryokan Sansui located?

It is in Aso-gun. Address: 3044 Nishizato, Ogunimachi.

What is the cancellation and refund policy?

Free-cancellation deadlines vary by rate plan and are shown with each room. Cancelling before the deadline gives a full refund.