Aso Volcano Museum (Admission: JPY 1,100; at your own expense). The Aso Volcano Museum, facing the Kusazenri shore, showcases the topography, geology, flora, and fauna of Aso under the theme of Aso Volcano. The museum has a wealth of fascinating information about the history of Aso Volcano. You can not only witness the formation of the Aso volcano through a giant diorama, but the museum also provides valuable information about other volcanoes in Japan and around the world. The museum also has a live broadcast of the Nakadake caldera using the latest camera system.

Kusasenri Horseback Riding Experience (Optional: approximately 5 minutes and 1,500 yen for the A course, 20 minutes and 4,000 yen for the B course, and 25 minutes and 5,000 yen for the C course). Would you like to experience a relaxing horseback riding experience in the beautiful surroundings of Aso? With experienced staff guiding the horses, even children and novice horseback riders can ride with ease. Experience the comfortable cool breeze with the gentle horse and take a natural stroll through the lush green prairie. Kusachi Chisato is located, so you can experience the thrill of horseback riding on the lush green prairie and feel nature's handiwork , including a pillar of volcanic smoke in the distance. Activity Name: Single Horseback Riding Double Horseback Riding (The prices listed are for reference only and should not be relied upon). Plan A: About 5 minues, 1,500 -2,500 yen. Plan B: About 20 minutes, 4,000-6,000 yen. Plan C: About 25 minutes, 5,000-8,000 yen.

Aso Roadside Station (no guide). Mount Aso boasts one of the world's few large calderas and the Gaiwakuyama mountain range, which can be seen from the Aso Five Mountains. Specialty products can only be purchased here, such as seasonal vegetables, fruits, meats, dairy products, desserts, and handmade bento. A statue of Usopp from the Straw Hat Pirates is displayed in the Aso Station plaza as part of a collaboration between Kumamoto Prefecture and "King of Thieves," a popular manga written by the prefecture's manga artist, Eiichiro Oda.

Return to Kumamoto Station on the Aso Boy sightseeing train (unguided). The interior of the Aso Boy train has a strong focus on children's experiences. There are as many as 101 mascots, "Kuro," who accompany children on their journeys at all times. Additionally, the train has many child-friendly features, such as Mascot Kuro. Kuro is the mascot of JR Kyushu, and after meeting the Aso Boys Train, he became the virtual stationmaster of the train. Kuro not only creates a child-friendly atmosphere, but also serves as a messenger of friendship, interacting with children, adults, and other IP partners. Blackie can be seen on the train, from the body, interior to souvenirs, and adds a lot of excitement to children's journeys.