Hi Mr. T,
From Ekwall "The Place-Names of Lancashire".
"Warbreck : Beacon Hill from the O.N. vardi - beacon and brekka - slope.
Warbreck stands on a ridge of 100 ft on which is also a place called "Knowle" (O.E. cnoll "knoll")
Wardebrec C 1140, Wardebrecca C 1147, Wardebrech 1155, Warthebreck C1324.
You only needed to ask !!
Riv ;0))