Monmouthshire has 200 scheduled monuments. The 46 prehistoric scheduled sites include burial sites, enclosures and 16 hill forts. Ten sites date from the Roman period, including four villas. There are four early Christian sites from early medieval times. The 101 sites from the medieval post-Norman period include castles and hidden castle mounds, remote dwellings, grand abbeys, holy wells, stones and churches. Finally the modern period has a 39 sites, including a very wide range of early industrial activities.
Scheduled monuments have statutory protection. The compilation of the list is undertaken by Cadw Welsh Historic Monuments, which is an executive agency of the Welsh Government.Cadw: Ancient Monuments and Scheduling. Accessed 25 April 2013 The list of scheduled monuments below is supplied by CadwCadw will send their list as a spreadsheet, or other electronic formats, on request, as indicated at www.whatdotheyknow.com. This list uses information dated May 2012 with additional material from RCAHMW and Glamorgan-Gwent Archaeological Trust.
Scheduled monuments in Monmouthshire
Image NameSite type Community LocationDetailsHistoric CountyPeriodSAM No& RefsGray Hill Stone CircleStone circleCaerwent, ST437935Fourteen visible stones, nine of which lie on their sides end to end, forming a circle. Possibly curb stones for a burial mound, or a stone circle.MonmouthshireBronze AgeMM031 Cadw SAM: MM031 Grey Hill Stone Circle. . .Thornwell Farm burial moundsChambered long barrowChepstow, ST539916Two burial mounds now within a Chepstow housing estate. One may be a Neolithic long barrow, with stone chambers. The other is a Bronze Age round barrow.MonmouthshireNeolithicMM206 Cadw SAM: MM206 Long Barrow and Round Barrow at Thornwell Farm. Neolithic long barrow - and . Bronze Age round barrow - and .St Peter's CaveCaveChepstow, ST538927A very wet cave under the cliffs of the Chepstow BulwarksMonmouthshirePrehistoricMM160 Cadw SAM: MM160 St Peter's Cave. . .Llangibby Bottom Standing StoneStanding stoneLlangybi, ST380963The 1.7m high stone is in 'Priest's Meadow', and is claimed to be the spot where St Cybi pitched his tent when arriving in the 6th century. Also known as Waen-y-'Ffeirad.MonmouthshireBronze AgeMM106 Cadw SAM: MM106 Llangibby Bottom Standing Stone. . .Heston Brake Long BarrowLong barrowPortskewett, ST505886Evidence of a significant neolithic chambered tomb or long barrow. A small group of puddingstones mark the entrance of the site. Human skeletons, cattle bones and some pottery were discovered in the chamber when it was excavated in 1888.MonmouthshireNeolithicMM018 Cadw SAM: MM018 Heston Brake Long Barrow. . .Llanfihangel Rogiet Standing StoneStanding stoneRogiet, ST445877A triangular tapered standing stone, 2.4m high, and 1.6m by 0.5m at the base. Also known as The Devil's Quoit.MonmouthshireBronze Age?MM068 Cadw SAM: MM068 Standing Stone 252m South of Bencroft Lane. . .Gaerllwyd Burial ChamberChambered tombShirenewton, ST447967A portal dolmen with eleven conglomerate stones, some standing and some upright, supporting a large capstone.MonmouthshireNeolithicMM013 Cadw SAM: MM013 Gaer-Llwyd Burial Chamber. . .Harold's StonesStone alignmentTrellech United, SO499051Three large monoliths, made of puddingstone, aligned from northeast by east to southwest by west. Local legends say that the stones were thrown by Jack o' Kent from the summit of the Skirrid, over twelve miles away.MonmouthshireBronze AgeMM017 Cadw SAM: MM017 Harold's Stones, Standing Stones. . .Crick Round BarrowRound barrowCaerwent, ST484902A round barrow (41m in diameter and 1.5m high). Excavations in 1939 and 1979 found Bronze Age flint tools, funerary remains, and a stone kerb ring 29m in diameter. Some of the cup stones may have been used for astronomical observations.MonmouthshireBronze AgeMM151 Cadw SAM: MM151 Crick Round Barrow. . .Foresters' Oaks round barrowRound barrowCaerwent, ST429941A Bronze Age barrow approximately 16m in diameter and 1m high.MonmouthshireBronze Age?MM333 Cadw SAM: MM333 Foresters' Oaks round barrow. . .Five Lanes Round BarrowRound barrowCaerwent, ST450909One of a pair of Bronze Age barrows (the other is not scheduled). The barrow is 35m in diameter but was probably smaller (25m).MonmouthshireBronze AgeMM179 Cadw SAM: MM179 Round Barrow 250m North East of Five Lanes. . .Cwm Bwchel Round CairnRound cairnLlanvihangel Crucorney, SO275272MonmouthshirePrehistoricMM343 Cadw SAM: MM343 Cwm Bwchel Round Cairn. . .Garreg Las Round CairnsRound cairnLlanvihangel Crucorney, SO309256MonmouthshirePrehistoricMM302 Cadw SAM: MM302 Garreg Las Round Cairns. and . .Graig Ddu Round CairnRound cairnLlanvihangel Crucorney, SO284264MonmouthshirePrehistoricMM342 Cadw SAM: MM342 Graig Ddu Round Cairn. . .Hatterrall Hill EnclosureEnclosureLlanvihangel Crucorney, SO308255MonmouthshirePrehistoricMM261 Cadw SAM: MM261 Hatterrall Hill Enclosure. . .Loxidge Tump cairnRound cairnLlanvihangel Crucorney, SO288292MonmouthshirePrehistoricMM304 Cadw SAM: MM304 Loxidge Tump cairn. . .Rhiw Arw cairnRound cairnLlanvihangel Crucorney, SO307271MonmouthshirePrehistoricMM299 Cadw SAM: MM299 Rhiw Arw cairn. . .Three Wells Round CairnRound cairnLlanvihangel Crucorney, SH315237MonmouthshirePrehistoricMM303 Cadw SAM: MM303 Three Wells Round Cairn. . .Chepstow Park Wood CairnRound cairnDevauden, ST490975MonmouthshirePrehistoricMM286 Cadw SAM: MM286 Chepstow Park Wood Cairn. . .Carn BlorengeRound cairnLlanfoist Fawr, SO269118MonmouthshireBronze AgeMM219 Cadw SAM: MM219 Cairn on the Blorenge. . .Carn-y-Defaid Round CairnsRound cairnLlanfoist Fawr, (also Blaenavon), (see also Torfaen), SO270100MonmouthshirePrehistoricMM209 Cadw SAM: MM209 Carn-y-Defaid Round Cairns. (South cairn) and (North cairn). .Middle Hendre Round BarrowRound barrowLlangattock-Vibon-Avel, SO453137MonmouthshirePrehistoricMM112 Cadw SAM: MM112 Middle Hendre Round Barrow. . .Round Barrow 180m North of Ty-CanolRound barrowLlanover, SO351080MonmouthshirePrehistoricMM081 Cadw SAM: MM081 Round Barrow 180m North of Ty-Canol. . .Wentwood Lodge Round BarrowsRound barrowShirenewton, ST416945Two round barrows 180m north-west of Wentwood Lodge. MonmouthshirePrehistoricMM167 Cadw SAM: MM167 Two Round Barrows 180m North West of Wentwood Lodge. Coflein NPRNs: and . and .Lower Hale Wood Round BarrowsRound cairnTintern, SO520009Three Round Barrows in Lower Hale Wood.MonmouthshirePrehistoricMM191 Cadw SAM: MM191 Three Round Barrows in Lower Hale Wood. , , and . , , and .Gwehelog CampEnclosureGwehelog Fawr, SO397024Also known as Gwernydd camp. 650m South of Ty Freeman.MonmouthshirePrehistoricMM178 Cadw SAM: MM178 Camp 650m South of Ty Freeman. . .Defended Enclosure 350m NNW of Ty-UchafEnclosure - DefensiveLlanelly, SO224153BrecknockshirePrehistoricBR405 Cadw SAM: BR405: Defended Enclosure 350m NNW of Ty-Uchaf. . .Buckholt Wood Hilltop EnclosureEnclosureMonmouth, SO502159MonmouthshirePrehistoricMM258 Cadw SAM: MM258 Buckholt Wood Hilltop Enclosure. . .Sudbrook Camp and Sudbrook ChapelEnclosurePortskewett, ST505873MonmouthshirePrehistoricMM048 Cadw SAM: MM048 Sudbrook Camp and Sudbrook Chapel. Camp - and . Chapel - and .Bishop Barnet's Wood CampEnclosureMathern, ST519941MonmouthshirePrehistoricMM139 Cadw SAM: MM139 Bishop Barnet's Wood Camp. . .Llanmelin Wood Hill Fort Hill fortShirenewton, ST461925A roughly oval hilltop fort (140m by 100m), with an area of about 6.56hectares. Originally univallate, but expansion in the 2nd century BC added further banks. Archaeological investigations have indicated occupation during Roman times and in the 12th and 13th centuries. MonmouthshireIron AgeMM024 Cadw SAM: MM024 Llanmelin Wood Camps. . .The Larches CampHill fortCaerwent, ST432899A roughly D-shaped hill top fort (140m by 100m), with an area of about 1.24hectares. The north is protected by a steep slope, with a bank and ditch around the rest of the site.MonmouthshireIron AgeMM069 Cadw SAM: MM069 The Larches Camp. . .Bulwarks Camp Hill fortChepstow, ST538927A small defensive hill fort, on top of cliffs overlooking the River Wye, the Beachley peninsula and the Severn estuary. It was probably built around the first century BC or the first century AD.Monmouthshire Iron AgeMM093 Cadw SAM: MM093 Bulwarks Camp. . .Pen-Twyn EarthworkHill fortLlanvihangel Crucorney, SO321229A roughly rectangular hill top fort (140m by 70m), with an area of about 4.17hectares. The fort is at the south end of Hatterall Hill with the ground sloping away to the east, south and west. The site is divided by a West-East bank and ditch. This may indicate the northern part is the oldest and extended later to include the southern part. Offa's Dyke Path passes through the site.MonmouthshireIron AgeMM064 Cadw SAM: MM064 Pen-Twyn Earthwork. . .Twyn-y-Gaer CampHill fortLlanvihangel Crucorney, SO294219An elongated oval summit hill fort (roughly 225m by 85m), with an area of about2.97 hectares. The fort occupies the top of Gaer hill and is split into three enclosures. Excavations in the 1960s and 1970s discovered jewellery, tools, ovens, signs of metal working, and traces of timber housing. MonmouthshireIron AgeMM148 Cadw SAM: MM148 Twyn-y-Gaer Camp. . .Llancayo CampHill fortGwehelog Fawr, SO378038An oval univallate hill fort, of roughly 2.00 hectares at the northern edge of a ridge. The fort includes a complex entrance, possibly a causeway, at the south-east of the site.MonmouthshireIron AgeMM078 Cadw SAM: MM078 Llancayo Camp. . .Coed y Bwnydd CampHill fortLlanarth, SO365068A large multivallate fort at the southern tip of Clytha Hill. The oval fort measures about 170m by 114m with an area of 6.39hectares.MonmouthshireIron AgeMM075 Cadw SAM: MM075 Coed y Bwnydd Camp. . .Gaer Fawr hill fortHill fortLlangwm, ST441988A roughly oval multivallate hill fort on a spur with an area of 3.50 hectares. The hill fort is surrounded by steep slopes to the west, north, and east. The site is broken up by lanes and field boundaries.MonmouthshireIron AgeMM062 Cadw SAM: MM062 Gaer Fawr hillfort. . .Great House CampHill fortLlangwm, SO432033A roughly circular multivallate hill fort sited on a natural terrace. The internal dimensions are 140m by 150m with an area of 2.37hectares.MonmouthshireIron Age?MM105 Cadw SAM: MM105 Great House Camp. . .Cae CampHill fortLlanhennock, ST358938An oval bivallate fort situated on a ridge, roughly 92m by 86m with an area of 1.59hectares. The sites contains a disused quarry from much later times.MonmouthshireIron AgeMM079 Cadw SAM: MM079 Cae Camp. . .Candwr CampHill fortLlanhennock, ST329934Also known as Caerau Hill fort. The univallate fort is roughly circular (100m by 75m), sited on a natural prominence, with an area of 0.70hectares.MonmouthshireIron AgeMM135 Cadw SAM: MM135 Candwr Camp. . .Wilcrick Hill CampHill fortMagor with Undy, (also Bishton), (see also Newport), ST411877A large, roughly oval (194m by 134m) multivallate hill fort with an area of 1.0hectares. The fort is surrounded on all sides by steep slopes.MonmouthshireIron AgeMM127 Cadw SAM: MM127 Wilcrick Hill Camp. . .Gaer Hill Camp, PenterryHill fortSt Arvans, ST516979A hilltop fort with commanding views. The fort includes roughly rectangular inner area (46m x 68m), inside a larger, roughly circular enclosure (240m x 254m).MonmouthshireIron AgeMM025 Cadw SAM: MM025 Gaer Hill Camp, Penterry. . .Pierce Wood CampsHill fortSt Arvans, ST536959Two hill forts on a steeply sided promontory of the River Wye, to the east of Piercefield House.
The smaller (westerly) univallate fort is roughly rectangular (98m x 82m), with an area of 0.20hectares. The Wye Valley Walk passes through the site.
The larger (easterly) univallate fort is also roughly rectangular (388m x 110m).MonmouthshireIron AgeMM020 Cadw SAM: MM020 Pierce Wood Camps. Westerly fort - and .