Chepstow Castle

About

Chepstow Castle stands majestically on a limestone cliff above the River Wye, offering visitors a dramatic tableau of medieval architecture set against the Welsh countryside. First built in 1067 by William Fitz Osbern, the fortress evolved through four major construction phases, each reflecting the changing needs of its powerful owners—from William Marshal’s sweeping gatehouse enhancements to the enduring Marten’s Tower that today draws keen-eyed guests. The castle’s tight, stepped walls and surviving great tower narrate a story of conquest, conflict, and eventual transformation into a place of heritage and leisure. Cadw, Wales’ historic preservation agency, now manages the site, preserving its ruins while allowing the public to wander the battlements, explore the upper and lower baileys, and climb into Marten’s Tower for sweeping views of the Wye Valley. Visitors typically spend around two hours strolling through the site, with the best time to visit between May and September when the weather is fine and the gardens are in full bloom. Entry is free, making Chepstow Castle a popular destination for families and history enthusiasts alike. Whether you’re tracing the saga of Norman conquest or simply enjoying the panoramic vistas, this ancient fort offers a memorable glimpse into Wales’ storied past. The ruin’s strategic location provided a critical defensive position overlooking the River Wye, the main artery between Gloucestershire and Monmouthshire. Today the castle remains a testament to medieval engineering, blending the romantic ruin with contemporary interpretive displays that celebrate Wales’ cultural heritage.

Highlights

• Great Tower
• Marten’s Tower
• Lower Bailey
• Gatehouse

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At a glance

• Typical visit: about 2 hours