The Dirty Sheets Gravel Loop is a popular gravel biking route near Atlanta, offering a great escape from city traffic. Rated as intermediate, this 20.7-mile loop, with an elevation ranging from 741 to 1,005 feet, is approximately 90% gravel and 10% paved road. Starting from Cochran Mill Park, the route features varied terrain including uphill segments and intersects with several gravel roads. The loop parallels singletrack in Cochran Mill Park and passes through scenic areas with a mix of climbs and flat stretches. It's ideal for when trails are wet and can be extended to 33 miles by exploring all out-and-back gravel roads. The ride can also include a side trip to Serenbe. Parking is available at Cochran Mill Park for a fee.