National Cycle Route 57 is part of the United Kingdom's National Cycle Network. When complete, it will run west to east from Farmington, Gloucestershire near Northleach to Welwyn Garden City in Hertfordshire. Several sections are not suitable for road bikes. Links to: * National Cycle Route 5 at Oxford. * National Cycle Route 6 at Harpenden. * National Cycle Route 12 at Welwyn Garden City.