We offer highballs made with local shochu and refreshing kabosu-flavored soda.

Enjoy a dazzling display of fireworks projection mapping illuminating the Beppu night sky—all from the comfort of a cool, indoor space.

Evening amusements in the hot spring town that stir the competitive spirit of even the adults.

We have a variety of colorful water balloons swaying with a refreshing sound.

Experience a world 1,375m above sea level, where it’s a refreshing 10°C cooler than the plains. Even in midsummer, a gentle breeze blows across the mountain, where you can enjoy a "Seven Lucky Gods" pilgrimage in the crisp air. Forget the heat and enjoy a moment of pure refreshment.

Enjoy the stunning harmony of Beppu Bay views and swimming fish from the comfort of the air-conditioned interior. Watching the fish glide through the water is visually cooling and perfect for adults seeking a relaxing summer escape.

An essential summer dish in Beppu. The smooth noodles and light, savory broth soak into your body, gently cooling you from the inside out. This is the ultimate bowl to enjoy on a hot summer day.

A vibrant shopping street located under the elevated railway, recently renovated. While preserving its nostalgic charm, it now features a rotating kitchen space with new discoveries on every visit. Enjoy a stroll through the market while staying sheltered from the sun.

While the famous "Onsen Coffee," meticulously brewed with natural hot spring water, is a true specialty, you simply cannot miss the massive, overflowing shaved ice if you visit during the summer. Spend a blissful, cooling moment in this charmingly retro atmosphere.

Lake Shidaka stays refreshing even in summer. Enjoy the cool breeze from a boat or a comfortable camping trip without the heat of "tropical nights." Find your peaceful escape surrounded by lush forests and serene lake views.

For those who want a relaxed itinerary to fully experience both local sightseeing and the resort stay at a great value, we offer our "Casual Extended Stay" plan.

Enjoy a special moment with our "Celebration Box"—a vibrant arrangement of preserved flowers and cake set within a traditional tiered lacquer box. Accompanied by sparkling sake for a toast, this plan beautifully colors your cherished anniversary.

The joy of travel begins with the planning. Book at least 60 days in advance to enjoy a special 20% discount off our standard rates. With ample time to prepare, we invite you to fully immerse yourself in the KAI experience to your heart's content.