Water qual i ty Sharing the natural wonders of Mt. Fuji with Japan and the world We want to share the natural blessings of our very own Mt. Fuji, the largest mountain in Japan. We offer a range of products inspired by Mt. Fuji, including Mt. Fuji Shizuku natural spring water and Mt. Fuji Omotenashi thermal spring water. Our products are made with care and attention in accordance with stringent quality control standards. Oshino Hakkai is a popular tourist destination located in the village of Oshino, just 3 km west of the Sohten bottling factory. It features eight natural springs fed by pure rainwater and snow melt from the base of Mt. Fuji. The spring water has been filtered through countless layers of lava over a period of many decades, making it exceptionally clean and pure. Mt. Fuji groundwater is also famed for having a high content of vanadium, a health-giving mineral that is highly effective in reducing blood sugars.