【Ikeyama Spring】 Selected as a one of the 100 best water sources by the Ministry of the Environment, the Ikeyama Spring boasts a constant temperature of 13.5°C and an abundant spring water of 30 tons per minute. The area is surrounded by huge trees and trees that are said to be more than 200 years old, and the spring water becomes the Tamarai River, joins the Ono River, and flows into Beppu Bay in the distance. Representative of Kumamoto's delicious water. Address: 14-1 Tajiri, Ubuyama Village, Aso District, Kumamoto Prefecture Car parking: 30 cars Fee, etc.: Free to open * Since it is used as drinking water, please do not put your hands and feet in the Water source or put equipment such as cameras in it.