Parvin State Park is a state park located in the southwestern part of New Jersey. Situated around Parvin Lake on the edge of the Pine Barrens, the park includes pine forests, hardwood forests, and swamps. The park is located near Pittsgrove Township in Salem County, and is operated and maintained by the New Jersey Division of Parks and Forestry. (Ref: https://en.wikipedia.org/wiki/Parvin_State_Park)