Location and coordinates are for the approximate centre of Calthwaite within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Calthwaite, hamlet with ry. sta., Hesket in the Forest par., E. Cumberland, on river Petterill, 7 miles NW. of Penrith; P.O.