Take a spectacular journey to Komezuka, an 80-meter-tall volcano located in the grasslands of Aso-Kuju National Park. With a knowledgeable guide, visitors can experience the area up close as they enter a 16-meter "lava tunnel" that was created by volcanic activity. Marvel at the otherworldly landscape and unique shapes of the bright green Komezuka which was believed to have been formed around 3,000 years ago. Receiving its Globally Important Agricultural Heritage System designation in 2013, guests will also learn about local farming culture and history on this thrilling exploration.