Lake Mercer is a man-made reservoir located in Mercer County, New Jersey. It covers approximately 365 acres and serves as a popular spot for recreational activities such as fishing, boating, and picnicking. The lake is surrounded by scenic parkland, making it a great destination for nature lovers. The lake is also home to various wildlife species, including birds and fish, contributing to the area's biodiversity. Managed by the New Jersey Division of Fish and Wildlife, Lake Mercer provides opportunities for outdoor enthusiasts to enjoy the natural beauty of the region while engaging in various water-related activities.