By CAR: From M4 take junction 23a for Magor and B4245 to Caldicot. From M48 take junction 2 for Chepstow and follow A48 (towards Newport) and B4245 to Caldicot. Caldicot Castle is sign posted from B4245.
By RAIL: Caldicot Halt is served by mainline services between Cardiff and Gloucester. From Bristol change at Severn Tunnel Junction. The castle is about a twenty minute walk from the station.
By BUS: Bus Services run to Caldicot from Newport and Chepstow. from The Cross, the castle is about a five-minute walk along Church Road.