The castle became a base for their operations across the region: there were planned operations in 1464, Sir Richard Tunstall mounted attacks from Harlech in 1466 and Jasper Tudor landed there with French reinforcements in 1468, before then raiding the town of Denbigh.
Den blev base for deres operationer over hele området: der blev planlagt operationer i 1464, Sir Richard Tunstall startede angreb fra Harlech i 1466 og Jasper Tudor gik i land her med franske forstærkninger i 1468, før man plyndrede byen Denbigh.