Round Valley Reservoir is a large water body located in Hunterdon County, New Jersey. It covers approximately 2,000 acres and serves as a crucial water supply for the region. The reservoir is surrounded by scenic landscapes, making it a popular destination for outdoor activities such as fishing, boating, and hiking. The reservoir was created in the 1960s by damming the Round Valley Stream. It is part of the New Jersey Division of Fish and Wildlife and offers various recreational opportunities, including picnic areas and trails. The area is also home to diverse wildlife, attracting nature enthusiasts and birdwatchers.