Medieval castles in Carmarthenshire

Medieval castles in and around Carmarthenshire: 5 listed. Fortified residences built to hold a hill, a river crossing or a border — the classic castle, from small keeps to vast royal seats.

Common questions

How many medieval castles are there in and around Carmarthenshire?

5 — each with its location on the map, what it is, and the visiting details we could confirm.

Can you go inside the medieval castles in and around Carmarthenshire?

Entry details are not confirmed yet for most of them — open each listing and check locally before you travel.