On the Long Mountain near Trelystan, the dyke veers to the east, leaving the fertile slopes in the hands of the Welsh; near Rhiwabon, it was designed to ensure that Cadell ap Brochwel retained possession of the Fortress of Penygadden."
På Long Mountain nær Trelystan, går diget mod øst, hvilket giver frugtbare skråninger til waliserne; nær Rhiwabon blev det anlagt så det sikrede at Cadell ap Brochwel bevarede fæstningen i Penygadden."