网页5 天之前 · Discover Yasui Gorge located in Niyodogawa Town, Kochi Prefecture, where you’ll find Japan’s most brilliantly blue, crystal-clear waters.The gorge was created by the Yasui River, which starts its life in the Shikoku Mountains. The river then travels down to meet the Niyodo River, considered one of Japan’s most beautiful rivers, before ending in …