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Photo of Monmouth Castle, a ruined castle in Monmouthshire, south east Wales.

© Ruth Sharville / Geograph · CC BY-SA 2.0

Monmouth CastleCastell Trefynwy

Open to visitorsa Cadw site, free to enter — check opening times before you go

Substantial ruinsruined, but plenty survives above ground

Open in full map →Full map →
OpenFreeMap © OpenMapTiles · data from OpenStreetMap · terrain Mapzen/AWS

Monmouth Castle is a medieval castle in Monmouthshire. The Albion Guide lists 14 castles in the county; this is one of them. The site is in the care of Cadw. Its Welsh name is Castell Trefynwy.

The closest station is Lydney, 16.8 km to the south-east.

More places to visit near Monmouth Castle

Photo along the Offa's Dyke Path, a 177-mile National Trail running from Chepstow to Prestatyn, Wales and England.Highlight

Offa's Dyke Path

National Trail

The length of the Welsh borders, tracking the eighth-century earthwork that once divided kingdoms.

0.1 km E · spans 8 counties

Photo of St Mary's Priory Church, a church in Monmouthshire, south east Wales.Highlight

St Mary's Priory Church

Church near Monmouth

Monmouth's parish church on the site of a medieval priory, rebuilt in the Georgian and Victorian periods beneath a tall spire.

0.2 km E

Photo of Monmouth, a village in Monmouthshire, south east Wales.Highlight

Monmouth

Village

Market town at the meeting of the Monnow and Wye, with a fortified 13th-century bridge gate and a broad Georgian high street.

0.3 km S · Monmouthshire

Photo of the Wye Valley, a National Landscape in England and Wales.Highlight

Wye Valley

National Landscape near Monmouth

A wooded river gorge winding along the Wales–England border, past Tintern Abbey down to Chepstow.

1 km NE

Photo of King Arthur's Cave, a cave near Monmouth in the Wye Valley, Herefordshire, central England.Highlight

King Arthur's Cave

Cave near Monmouth

Twin-mouthed cave in the wooded Wye gorge near Symonds Yat, holding evidence of Ice Age human and animal life.

5.8 km NE

Photo of The Whitebrook, a restaurant near Penallt in the Wye Valley, Monmouthshire, south east Wales.Highlight

The Whitebrook

Restaurant · With rooms near Penallt

Foraging-driven restaurant with rooms hidden in the wooded Wye Valley.

6.1 km S