The New Manchester Mill Ruins are located in the Sweetwater Creek State Park, which offers a variety of trails for different skill levels. You can follow the Red Trail, which is rated easy to difficult, to reach the ruins of the cotton mill that was burned by Union troops during the Civil War. Along the way, you can enjoy the views of the white-water rapids and the lush greenery of the park. The trail is about one mile long and has some rocky and steep sections, so be prepared for a challenging run. The New Manchester Mill Ruins are a great place to explore the history and nature of Georgia while getting some exercise.