About Yishui: Yishui County is located in Shandong province. It is administered by the city of Linyi. The region is known for its lush green forest and the popular Yishui Snow Mountain and Rainbow Valley. The spectacular underground canyon is another must-see attraction. There are also a number of historical sites, including the former Shandong headquarters of the Communist Party and the Shandong division of the Eighth Route Army.