Location and coordinates are for the approximate centre of Carno within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Carno, par. and vil. with ry. sta., mid. Montgomeryshire, on river Carno, 11 miles NW. of Newtown 10,982 ac., pop. 876; P.O. In the vicinity of the vil. are Roman remains, and ruins of two castles.