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.