Alfred Watkins ley is a ley line that stretches for 6.4 km (4 miles) across south west Herefordshire and Welsh border. It is named for Alfred Watkins.

Points on the line (east to west)

• Monmouth Cap in Monmouthshire, (39202614).
• a ford (36702559) near a mound at Llancillo .
• Llancillo Church (36622557)., in a beautiful setting amongst trees and fields. Dedicated to St. Peter, it has a Norman chancel, 13th century font, and Tudor doorway.
• an ancient chapel (34932520).
• a mound that Watkins considered to be a long barrow
• a very large moated mound (33982500), thought to be motte and bailey, at the hamlet of Walterstone .
• a ford at 33182480 on the River Monnow.
• an alligned road.