Overview: The Katsura River runs through a beautiful valley in Yamanashi Prefecture, not far from Tokyo. Fed by springs from Mt. Fuji and the surrounding area, the river is known for the clarity and volume of its water. This episode of Journeys in Japan introduces fun ways to enjoy the Katsura River, such as rafting, tubing, traditional angling, and Sawanobori (river climbing), making it the perfect getaway from the muggy midsummer heat of downtown Tokyo.