Castle,Grid Ref,Original type,Date,Topography,Height,Top m²,Base m²,Gradient,Bailey,Builder,Theory Abergavenny,SO 29847 13974,motte/masonry,1081 D,Natural defence,tall,nd,nd,steep,1,,Early Bach Motte,SO 29787 43413,motte W,nd,Natural defence,6.23,27.49,401.738,47.48,?,?,Early Bacton,SO 37097 33554,motte W,nd,Natural defence,1.62,82.53,268.55,49.25,1,?,Late Battle Tump,SO 24457 15774,geological,,,,,,,,, Bishton,ST 39237 88067,?,nd,Open,nd,nd,nd,nd,nd,?,Late Bredwardine ,SO 33497 44298,possible motte,1374 D,Natural defence,tall,nd,nd,steep,1,?,Early Bryngwyn,SO 39362 08799,motte,1855 D,Open,3.75,89.597,551.06,49.36,?,?,Mid Caer Licyn,ST 38977 92828,PreH/Postmed,,,,,,,,, Caerleon,ST 34257 90553,motte/masonry,1086 D,Open,16.19,412.235,3235.225,77.5,?,?,Early Caerwent 1,ST 46767 90623,motte W,nd,Open,nd,nd,nd,nd,1,?,Early Caerwent 2,ST 47500 91100,Roman,,,,,,,,, Caldicot,ST 48622 88527,applied mound,1122 D,Open,nd,nd,nd,nd,1,?, Castell Arnallt,SO 31942 10019,Llys,1175 D,,,,,,,?,Mid Castle Bach,SO 36100 29900,?,nd,Open,nd,nd,nd,nd,nd,?,? Castle Farm,SO 40622 38398,possible motte,nd,Open,nd,nd,nd,nd,1,?,Late Cas Troggy,ST 41482 95213,masonry,1307 D,,,,,,,Roger Bigod , Chanstone Tump 1,SO 36547 35894,possible motte,nd,Open,2.6,574.189,1551.497,43.86,?,?,Late Chanstone Tump 2,SO 36462 35704,moated site,1207 D,,1.67,723.172,1218.142,21.18,,?,Late Chapel Tump,SO 53922 24304,?,na,Open,nd,nd,nd,nd,1,?,Late Chepstow,ST 53362 94083,masonry,1067/71 D,Natural defence,,,,,3,,Early Clifford,SO 24287 45633,motte/masonry,1067/71 D,Natural defence,tall,nd,nd,steep,1,William fitz Osbern,Early Cockyard Tump,SO 41087 33964,geological,,,,,,,,, Cole's Tump,SO 46292 28229,geological,,,,,,,,, Colstar Motte,ST 31872 92533,motte,nd,Natural defence,5.89,190.08,738.43,65.16,1,?,Mid Cothill Farm,SO 33827 36293,motte W,nd,Natural defence,3.56,261.537,655.857,60.04,?,?,Late Cusop Castle,SO 33922 41393,fortified-site,1335 D,Natural defence,3.27,978.029,2212.054,49.27,1,?,Late Didley,SO 45022 31964,motte,nd,Natural defence,5.79,53.142,475.691,48.84,1,?,Mid Digget's Wood,SO 44052 29454,?,nd,Open,nd,nd,nd,nd,nd,?,? Dingestow 1,SO 45977 10354,motte,nd,Natural defence,8.17,122.313,759.525,76.45,1,?,Early Dingestow 2,SO 45567 10399,motte/masonry,1182 D ,Natural defence,2.69,1752.164,4667.031,62.06,1,Ranulf Poer,Late Dinham,ST 48052 92333,masonry,1129 D,,,,,,?,?, Dixton,SO 51822 13749,moated site,nd,Open,1.04,149.371,984.206,37,?,?,Late Dorstone,SO 31217 41623,motte,nd,Open,6.79,727.411,2704.195,72.01,2,?,Mid Eaton Bishop,SO 45547 39338,PreH,nd,,,,,,,, Ewyas Harold,SO 38502 28699,motte,1052 D,Natural defence,16.36,384.839,3815.745,70.33,1,William fitz Osbern,Early Goodrich,SO 57782 19969,masonry,1133 D,,,,,,1,?, Grafton,SO 49400 36900,?,nd,Open,nd,nd,nd,nd,?,?,? Great Goytre,SO 35292 23284,motte W,nd,Natural defence,4.78,56.15,268.66,64.05,1,?,Mid Grosmont,SO 40522 24427,masonry,1164 D,,,,,,1,?, Howton,SO 41487 29389,fortified-site,nd,Open,2.38,83.283,1268.06,32.27,?,?,Late Kemeys Inferior,ST 38877 93928,ring-work,nd,Natural defence,,,,,1,?,? Kentchurch,SO 42152 27009,fortified-site,nd,Natural defence,nd,nd,nd,nd,?,?,Late Kilpeck,SO 44387 30464,motte/masonry,L11th E 12th P,Open,high,nd,nd,steep,3,?,mid King's Caple,SO 55932 28774,motte,nd,Open,4.59,439.248,1224.951,43.06,1,?,Late Langstone,ST 37037 89522,motte,1189 D,Natural defence,medium,nd,nd,steep,1,?,Mid Llanarth,SO 36237 09614,motte,E 13th P,Open,5.62,237.379,1589.705,47.92,1,?,Mid Llanbadoc,SO 37487 00073,PreH,nd,,nd,nd,nd,nd,,, Llancillo,SO 36697 25539,motte,nd,Open,6.22,289.906,1117.238,68.29,1,?,Early Llanfair Discoed,ST 44527 92438,masonry,nd,,,,,,1,?, Llanfair Kilgeddin,SO 34947 06934,motte,nd,Open,3.02,131.433,536.961,53.23,?,?,Late Llanfihangel Crucorney,SO 33027 21769,motte,nd,Natural defence,7.88,35.951,801.953,62,1,?,Early Llangiby 1,ST 36402 97353,masonry,1312 D,,,,,,?,?, Llangiby 2,ST 37012 97363,fortified-site,nd,Open,2.56,2279.535,3688.864,57.91,1,?,Late Llangovan,SO 45147 07044,motte,nd,Open,6.87,225.887,1095.035,74.02,?,?,early Llangwm Isaf,SO 42422 01119,motte W,nd,Natural defence,2.93,926.409,1633.816,55.56,1,?,? Llangwm Uchaf,ST 42727 99798,motte W,nd,Natural defence,1.52,274.532,481.561,38.53,?,?,Early Llanvaches,ST 43397 92053,?,nd,Open,,,,,?,?, Longtown,SO 32057 29149,applied mound,1187 D,Natural defence,,,,,1,?, Moccas,SO 34800 42500,fortified-site,nd,Open,,,,,?,?,Late Monmouth,SO 50682 12904,masonry,1312 D,,,,,,1,, Monnington Straddle,SO 38197 36813,fortified-site,nd,Open,2.79,485.493,967.29,52.47,?,?,Late Mount Ballan,ST 48757 89537,motte,nd,Open,4.16,67.688,616.866,47.37,1,?,Early Mouse Castle 1,SO 24827 42458,motte W,nd,Natural defence,4.5,65.421,830.706,93.1,1,?,Early Mouse Castle 2,SO 24787 42718,?,?,Natural defence,,,,,,?, Much Dewchurch,SO 48542 31259,fortified-site,nd,Open,2.93,1201.409,2133.285,39.6,?,?,Late Mynydd-brīth,SO 27997 41463,motte W,nd,Natural defence,5.27,213.653,712.482,81.18,1,?,Early Nant-y-bar,SO 27852 41023,motte W,nd,Natural defence,3.79,431.494,985.427,50.38,?,?,? Nant-y-Glasdr,SO 23600 42600,?,nd,Open,,,,,?,, Newcastle,SO 44737 17239,motte,nd,Natural defence,6.21,31.03,498.02,57.77,2,?,early Newport,ST 31172 88487,masonry,1327 D,Open,,,,,1,?, Newport (Stow),ST 30400 87400,possible motte,nd,Natural defence,nd,nd,nd,nd,?,?,? Newton Tump,SO 29272 44053,motte,nd,Open,3.57,143.37,651.298,63.39,1,?,Mid Old Castleton,SO 28302 45723,ring-work/motte,1140-1180 P,Natural defence,8.74,164.495,1195.056,58.94,3,?,Early Orcop,SO 47282 26529,motte,nd,Open,6.59,270.4,1200.442,75.77,1,?,Early Panteg,ST 31300 98900,mound,18th/19th c,Open,,,,,,, Pembridge ,SO 48817 19304,masonry,1219 D,,,,,,1,, Pencoed,ST 40697 89432,masonry,1270 D,,,,,,1,, Penhow,ST 42322 90818,masonry,1270 D,,,,,,1,, Penrhos,SO 40952 13169,motte,1248 D,Open,3.98,135.449,1168.611,41.79,,?,Late Penyclawdd,SO 30967 20139,fortified-site,13th P,Open,1.71,327.367,619.132,55.53,?,?,Late Peterchurch,SO 34192 38908,mound,18th/19th c,,,,,,,, Pont Hendre,SO 32572 28109,motte,nd,Natural defence,10.39,121.303,1519.893,63.01,1,?,Early Poston,SO 35807 37078,fortified-site,nd,Natural defence,2.2,718.423,2155.721,23.52,1,?,Late Raglan,SO 41362 08284,masonry,1270 D,,,,,,1,, Rockfield,SO 48267 14129,motte,nd,Natural defence,4.19,156.74,364.472,55.7,1,?,Early Rogerstone,ST 27100 87800,?,nd,Natural defence,,,,,?,?, Rowlestone,SO 37442 27164,motte W,nd,Natural defence,4.06,368.29,820.907,71.7,?,?,Early Silver Tump,SO 28900 32800,?,?,Natural defence,?,?,?,?,?,?, Skenfrith,SO 45607 20369,masonry,12th 13th P,,,,,,1,, Snodhill,SO 32237 40358,motte/masonry,nd,Natural defence,tall,nd,nd,steep,1,?,Early St Illtyd,SO 21692 01954,motte W,nd,Natural defence,5.3,269.8,888.666,70.31,?,?,Early St Margaret's,SO 35800 33900,?,?,Natural defence,?,?,?,?,?,, St Weonards,SO 49657 24329,motte,nd,Natural defence,6.15,531.984,965.948,81.28,?,?,Early Thruxton,SO 43512 34649,motte,nd,Open,4.88,244.087,840.946,69.83,,?,Mid Treago,SO 49002 23879,masonry,nd,,,,,,,, Tregate,SO 47977 17114,fortified-site,nd,Natural defence,,,,,1,?,Late Trelech,SO 49952 05409,motte,1175 -1200 P,Natural defence,5.76,142.762,758.373,71.74,1,?,Early Tretire,SO 52067 23919,?,?,?,?,?,?,?,?,, Trippenkennet,SO 50057 22454,fortified-site,?,Open,?,?,?,?,?,?,Late Trostrey,SO 35962 04304,?,?,?,?,?,?,?,?,, Twmbarlwm,ST 24382 92653,motte W,nd,Natural defence,5.58,185.794,1614.864,56.44,1,?,Early Twyn-y-Corras,ST 41907 24994,fortified-site,?,Open,?,?,?,?,?,?,Late Urishay,SO 32292 37568,fortified-site,?,Natural defence,?,?,?,?,?,?,Late Usk,SO 37537 01039,masonry,nd,,,,,,,, Walterstone,SO 33932 24999,motte,nd,Natural defence,7.06,574.189,1551.497,62.99,?,?,Early Werglodd,SO 37100 25200,?,?,?,?,?,?,?,?,, White Castle,SO 37917 16714,masonry,nd,,,,,,,, Whitehouse Camp,SO 29572 35684,fortified-site,nd,Natural defence,1.93,64.353,959.311,32.72,,?,Late Whitney Castle,SO 27300 46500,?,?,Open,?,?,?,?,?,, Wilton Castle,SO 59082 24489,masonry,?,?,?,?,?,?,?,, Wolvesnewton,ST 44912 99883,fortified-site,nd,Natural defence,3.31,3826,6412,55.75,?,?,Late