Ikeyama Suigen

Ikeyama Suigen is a pristine natural spring located in Ubuyama Village in the Aso region of Kumamoto Prefecture, Kyushu. Officially recognized by Japan's Environment Ministry as one of the 100 finest waters in Japan, this sacred fountain head produces an extraordinary 30 tons of crystal-clear spring water per minute. The water maintains a constant temperature of 13.5 degrees Celsius year-round, creating a refreshing oasis during summer and a relatively warm haven in winter when surrounding areas are covered in snow.

The spring is a product of millennia of volcanic activity in the Aso region, with underground mineral water bubbling up from deep beneath the earth. At the center of the spring pond stands a small shrine dedicated to the water deity, reflecting the traditional Japanese belief in the sacredness of natural water sources. The site is enveloped by an ancient forest of towering trees estimated to be 200 years old, creating a mystical atmosphere that transports visitors to another time. The lush green vegetation surrounding the spring remains vibrant even in the depths of winter due to the relatively warmer water temperature.

Visitors can walk around the spring pond and observe the remarkably transparent water teeming with aquatic life. While entering the pool itself is prohibited to preserve its sacred nature, guests are welcome to cool off in the water downstream from the main spring. The site offers a popular foot-soaking experience similar to traditional hot spring foot baths, allowing visitors to dip their feet into the refreshingly cold spring water while surrounded by nature. The spring's abundant flow supports local agriculture, producing high-quality vegetables and rice, and sustains wildlife including birds, fish, and deer that depend on this pristine water source.

The site is located in a rural area approximately 90 minutes by car from Kumamoto IC and Mashiki-Kumamoto Airport IC, 50 minutes from Kuju IC, or 90 minutes from Hita IC. Parking is available for 30 vehicles. The attraction is free of charge, making it an accessible natural wonder for all visitors. The spring is particularly striking when visited during early spring when the surrounding greenery contrasts sharply with winter landscapes.