Natural Radon Spring Water at Kumaionsen in Kurate Town
This listing is for a natural radon spring water collection point known as "Tennen Sukizaka Kinmeisui" located in Kurate Town, Kurate District, Fukuoka Prefecture. The water originates from Kumaionsen, a radon hot spring discovered in 2003, making it the newest 21st-century hot spring in Fukuoka Prefecture. The spring is noted for its high radon concentration, which is higher than the famous Yawaraginosu in Fukushima Prefecture. The water is available for purchase from vending machines for bathing or drinking, with prices ranging from 100 yen to 200 yen per 10 liters depending on the spring type. The radon water is said to have hormesis effects, potentially boosting the immune system and stabilizing the autonomic nervous system. It is also considered beneficial for autonomic nerve disorders. The water is available from three different springs: Spring No. 3 (64.1 Mache) for bathing only, Spring No. 4 (9.97 Mache) for drinking, and Spring No. 5 (49.58 Mache) for drinking. Important usage notes include that the half-life of radon is 3.8 days, so the water should be used promptly. It is also noted that radon has a mass nine times that of air, making it unsuitable for open-air baths but suitable for indoor use. Pregnant women are advised to avoid using the water. The water is categorized as a simple radioactive cold mineral spring (Spring No. 3) and simple weakly radioactive cold mineral springs (Springs No. 4 and No. 5). The address of the water collection point is 1048 Furukado, Kurate Town, Kurate District, Fukuoka Prefecture. The water is also known as "Tennen Sukizaka Kinmeisui."
