From M4 (Westbound) take exit 21 signed Chepstow M48, at exit 2 head for the Wye Valley on the A466. At the first roundabout turn right onto the A48 to Gloucester, after approximately 3/4 mile turn left into Chepstow Town Centre and follow directions for Chepstow Castle.
The Castle View Hotel is located opposite the Castle and has use of its large floodlit car park. A tourist Information Centre is in the car park.
OS map grid reference 533 941.