Gellygaer Auxilliary Fort

Stone auxillary fort with Annex built early 2nd Century.  This site has an active interpretive program with a good website.

http://www.roman-britain.co.uk/places/gelligaer-roman-fort/

http://www.caerphilly.gov.uk/romanfort/en/index.html

http://www.coflein.gov.uk/en/site/93007/details/GELLIGAER+ROMAN+FORT+II/

Guide to Fort

http://www.caerphilly.gov.uk/romanfort/pdf/en/gelligaerGuidebook___eng.pdf