Gelligaer
Gelligaer is a town and community in the County Borough of Caerphilly, Wales, in the Rhymney River valley. The community also includes the villages of Cefn Hengoed and Hengoed to the south. The population of the Town as shown at the 2011 census was 18,408.
Gelligaer is known for its stone Roman fort, part of a network within Roman Wales, believed to have been built between 103 and 111 A.D. and excavated in the early 20th century.
The parish church of St. Catwg (Cadoc) is ancient but heavily restored (with adult baptismal font) in the Victorian era. There is also an ancient standing stone north of the village.
Coordinates: 51°40′N 3°15′W / 51.667°N 3.250°W
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