Castles and forts in Monmouthshire

The Discover Alone map has 31 castles and forts in Monmouthshire, Wales. Below are the 31 with the most written about them, pictures first. Every one has its own page with directions and places nearby.

• White Castle, Llantilio; Llantilio CastleCastleWhite Castle rose from earth and timber in the Monnow valley shortly after the Norman invasion of England in 1066…
• Usk CastleCastleUsk Castle rose in 1120 on a hill above the town, marking the border where Norman ambition met Welsh resistance. The…
• Skenfrith CastleCastleSkenfrith Castle is a ruined medieval fortress in Monmouthshire, Wales, built by the Normans after 1066 to guard the…
• Penrhos Castle; Penrhos Motte & Bailey CastleMottePenrhos Castle in Monmouthshire, Wales, is a surviving motte from the Medieval period, a simple earth mound shaped for…
• Moynes CourtCastleMoynes Court stands in Mathern, Monmouthshire, where a fourteenth-century gatehouse still guards the remains of an…
• Monmouth CastleCastleMonmouth Castle is a medieval ruin where a great hall and defensive walls still rise above the river Monnow. It changed…
• Grosmont CastleCastleGrosmont Castle is a ruined Norman fortress in Monmouthshire, Wales, built after 1066 to guard the route toward…
• Dinham CastleCastleDinham Castle stands west of the church in Monmouthshire, where twenty-foot brown stone towers rise through gnarled…
• Dingestow CastleCastleDingestow Castle rose as a stone stronghold in 1182 under Ranulf Poer, Sheriff of Herefordshire, but Hywel ap Iorwerth…
• Clytha CastleCastleClytha Castle rose in Monmouthshire between 1790 and 1793 as William Jones’s memorial to his dead wife, a sharp Gothic…
• Chepstow CastleCastleChepstow Castle is the oldest surviving post-Roman stone fortification in Britain, standing on a limestone cliff above…
• Castell y GrysmwntCastleCastell y Grysmwnt is a castle in Monmouthshire, Wales. The name means castle of the shrew or mouse, hinting that a…
• Castell Tregrug; Llangybi CastleCastleCastell Tregrug stands in ruins beside Llangybi, a medieval castle marked in the national record but never defined in…
• Cas Troggy CastleCastleCas Troggy Castle is a rectangular medieval stronghold in Monmouthshire, built around 1303 by Roger Bigod III as a…
• Caldicot CastleCastleCaldicot Castle is a medieval castle in Monmouthshire, Wales, recorded in the national monument register. It still…
• Abergavenny CastleCastleHamelin de Ballon raised timber walls on the old Roman fort around 1087, beginning a lineage marked by blood and fire.…
• Y Castell GwynCastleY Castell Gwyn is a castle in Monmouthshire, Wales. Perhaps its white walls still catch the last light before darkness…
• Castell Y FenniCastleCastell Y Fenni is a castle in Monmouthshire, Wales. Perhaps its stones still hold the shape of hands that built it.…
• Raglan Castle, RaglanCastleThe National Monuments Record of Wales records Raglan Castle, Raglan as Castle from the Post Medieval; Medieval period.…
• Tregrug Castle;Llangybi, Earthwork Castle;Llangibby Castle MoundMotte and BaileyTregrug Castle began as an Anglo-Norman earth and wood motte in the first half of the 13th century before stone rose on…
• Tre-Castle, Earthwork CastleMotte and BaileyTre-Castle, Earthwork Castle stands in Monmouthshire, Wales, preserving a Medieval motte and bailey shape that still…
• St Mary Yard MoundCastleSt Mary Yard Mound is a castle in Monmouthshire, Wales. It is not a tall tower or a broad rampart, but a mound, perhaps…
• Pen-y-Clawdd Court, Castle MoundMotte and BaileyPen-y-Clawdd Court, Castle Mound is a medieval motte and bailey in Monmouthshire, Wales. A tall mound of earth and…
• Newcastle, CastleMotte and BaileyNewcastle, Castle stands in Monmouthshire, Wales, as a Medieval motte and bailey. Its earthworks still shape the land…
• New CastleCastleNew Castle is a castle in Monmouthshire, Wales. Perhaps its stones still hold the shape of hands that built them…
• Mill Wood Castle, opposite DingestowMotteMill Wood Castle stands opposite Dingestow as a medieval motte, raising a wooden tower above the river valley. Soldiers…
• Llanvair Discoed CastleRuinsLlanvair Discoed Castle stands in ruin near Caerwent, Monmouthshire, preserving a shadow of its 12th to 13th century…
• Llanfair Discoed, Castle; Llanfair CastleCastleLlanfair Discoed, Castle; Llanfair Castle stands in Monmouthshire, Wales, carrying marks from the Medieval and Post…
• Goytre Wood, Castle MoundMotteGoytre Wood, Castle Mound is a Medieval motte in Monmouthshire, Wales, where a raised earthwork still marks the site of…
• Castell-Arnallt; Castle ArnoldCastleCastell-Arnallt was the fortified home of Seisyll ap Dyfnwal in Over Gwent until William de Braose ordered its…
• Caldicot Castle (Inhabited Portions), CaldicotCastleCaldicot Castle (Inhabited Portions) still stands in Monmouthshire, Wales, carrying layers from the Medieval and Post…

Other kinds of place in Monmouthshire

• Historic places
• Archaeology and monuments
• Woods, forests and old trees
• Things to do
• Memorials and graveyards
• Wrecks and historic events
• Viewpoints and information
• Mountains and hills
• Caves
• Cliffs, bays and coast
• Walking routes