Introduction to Daxishan Reservoir: Daxishan Reservoir is located in Zhangjia Village. It was built in 1934 and covers an area of 28.84 square kilometers. The reservoir is the drinking water source of Dalian City. The water quality is clear, surrounded by dense forests and winding river valleys. A wooden-like walking trail is also built along the road beside the reservoir for tourists to enjoy the beautiful scenery.