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 Bristol, Newport and Chepstow. from The Cross, the castle is about a five-minute walk along Church Road.