Location and coordinates are for the approximate centre of Nantlle within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Nantlle, vil. with ry. sta., in co. and 5 ½ miles SW. of Carnarvon; P.O.; is situated on a lake of the same name, in a romantic glen under the western offshoot of Snowdon, and is the centre of a great mining and slate quarrying district.