The Tsengwen Reservoir is a large water reservoir located in Tainan City, Taiwan. Completed in 1985, it serves multiple purposes, including water supply, flood control, and irrigation for agricultural lands in the region. The reservoir is fed by the Tsengwen River and has a capacity of approximately 1.5 billion cubic meters. Surrounded by scenic landscapes, the Tsengwen Reservoir is also a popular spot for recreational activities such as fishing and hiking. The area is home to diverse wildlife, making it an attractive destination for nature enthusiasts. Its strategic importance contributes significantly to the local economy and environment.