Activities
KAI Cultural Discovery
- Availability:
- All year
At KAI Aso, guests are invited to learn more about this volcano at the Caldera Bar, where bartenders serve drinks made with Aso’s natural spring water and regale guests with stories about Mt. Aso.
*Every KAI establishment offers a selection of free activities designed to introduce guests to Japan’s regional cultures.
ABCs of Onsen Culture
- Availability:
- Jun 1, 2026 – Oct 26
Majestic scenery, crystal-clear spring water flowing abundantly, and rich hot springs. Life in Aso has always flourished alongside the blessings of the volcano. Enjoy a special moment to experience the story of this great earth through touch, taste, and sight.
■ What is "ABCs of Onsen Culture"?
At KAI, a leading brand of hot spring ryocans across Japan, we offer "Onsen Culture Iroha"—a special program designed to help guests go beyond simply soaking in the water and truly immerse themselves in the unique regional hot spring cultures.Horse riding under the stars
- Availability:
- Jun 1, 2026 – Aug 31※exclusion date:6/23~24、7/18~20、8/8~16
Enjoy the breathtaking beauty of the Milky Way, the Summer Triangle, and other spectacular celestial shows of nature in the vast grasslands, with the five peaks of Mount Aso and the Kuju mountain range also visible in the distance.
Golden Horse Riding
- Availability:
- Sep 1, 2026 – Oct 27Excluded date:9/1, 9/3, 9/7, 9/10. 9/17~23, 9/30, 10/1~2, 10/8, 10/10~12, 10/16, 10/21~2
Riding on the warm back of a horse, you can enjoy the panoramic view of the five peaks of Mount Aso and the Kuju mountain range, refreshing your body and soul. Experience the joy of riding a horse in the midst of spectacular scenery.
Hands-on Japanese cedar
- Availability:
- All year
This activity uses Oguni-sugi cedar, Kyushu's best wood which grows in Oguni Town at the foot of Mt. Aso. It's a simple process to shave the wood until it's smooth, but you can also feel the cedar's softness and warmth. It's a great thing to do if you have to remain in your hotel room.
Multi-Night Set
- Availability:
- From December1,2025
If you're staying for two nights, it's a waste to simply spend all your time in the room. We offer a set including a lunch bento box and local amenity goods perfect for a cozy stay-in, to help you make your personal time even more fulfilling.
Post-Bath Refreshments
- Availability:
- Jun 1, 2026 – Aug 31
To further cool down your body from the inside after your soak, we offer "Post-bath Beer" and "Chilled Amazake." Known as an "IV drip you can drink," chilled amazake is the perfect way to replenish both hydration and nutrients after bathing.