The market town of Holywell takes its name from the St Winefride's Well, a holy well surrounded by a chapel.The well has been known since at least the Roman period, and has been a site of pilgrimage since about 660 when Saint Winefride was beheaded there by Caradog who attempted to attack her.The well is one of the Seven Wonders of Wales and the town bills itself as The Lourdes of Wales. many pilgrims from all over the world continue to visit Holywell and the Well.