Battle of Crug Mawr
Battle of Crug Mawr was a battle fought in September 1136 at Cardigan, in what is now United Kingdom. It was part of the Norman Invasion of Wales, which ran from 1051 to 1204. The recorded result: Welsh victory. Recorded strength: 4,000 infantrymen; 2,000 cavalrymen against Described as "substantial".
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Fought September 1136
Where Cardigan, United Kingdom 52.096N, 4.621W
Outcome Welsh victory
Belligerents Kingdom of Gwynedd; Kingdom of Deheubarth against Norman and Flemish forces from all the south Wales lordships; Kingdom of England
Where it sits in the Norman Invasion of Wales Battle of Llanllieni, 1052 Battle of Porthskewed, 1065 Battle of Rhymney, 1071 Battle of Rhuddlan Castle, 1075 Battle of Aberllech, 1086 Battle of Old Domen, 1095 Battle of Clastbirig, 1095 Battle of Gelli Carnant, 1096 Battle of Llwchwr, 1135 Battle of Crug Mawr, 1136 Battle of Tal Moelfre, 1157 Battle of Crogen, 1165 Battle of Taflowern, 1167 Battle of Caereinion Castle, 1167 Battle of Prestatyn Castle, 1167 Battle of Seisyll's Court, 1175 Battle of Dingestow Castle, 1182 Battle of Carnwyllion, 1189 Battle of Maesyfed, 1195 Battle of Painscastle Castle, 1196 Battle of Domen Gastell, 1196 Battle of Mold Castle, 1199 Battle of Carreghofa, 1213 Battle of Mathrafal Castle, 1213 Battle of Holywell Castle, 1213 Battle of the White Castle, 1215 Battle of Loughor Castle, 1215 Battle of Hay on Wye, 1216 Battle of Colwyn Castle, 1216 Battle of Caerleon Castle, 1217 Battle of Cydweli, 1223 Battle of Neath Castle, 1231 Battle of Bwlch y Dinas Castle, 1233 Battle of Tretower, 1233 Battle of Pengelli Castle, 1233 Battle of Brecon, 1233 Battle of Abergavenny Castle, 1233 Battle of Cardiff Castle, 1233 Battle of Monmouth, 1233 Battle of Kenfig, 1243 Battle of Penrhos Castle, 1251 Battle of Bodyddon Castle, 1257 Battle of Gwernesgof, 1257 Battle of Laugharne Castle, 1257 Battle of Builth Castle, 1260 Battle of Castell Llandandras, 1262 Battle of Bleddfa Castle, 1262 Battle of Nantcriba, 1263 Battle of Diserth Castle, 1263 Battle of Radnor, 1264 Battle of Caerphilly Castle, 1270 Battle of Powis Castle, 1274 Battle of Dolfrowyn Castle, 1277 Battle of Hawarden Castle, 1282 Battle of Newport, 1402 Battle of St Asaph, 1406 1052 1406 Battle of Crug Mawr, 1136 56 placed engagements of the Norman Invasion of Wales in time order; taller ticks are more widely documented. Each tick is a link.
Record
Date September 1136 (month precision) Place Cardigan, United Kingdom52.096N, 4.621W Kind Battle, medieval Strength 4,000 infantrymen; 2,000 cavalrymen Described as "substantial" Commanders Owain Gwynedd Cadwaladr ap Gruffydd Gruffydd ap Rhys Robert fitz Martin Maurice FitzGerald, Lord of Lanstephan
Battle of Crug Mawr Battle of Crug Mawr Battle of the Slate Bridge Battle of Fishguard Battle of St Clears Battle of Gelli Carnant Battle of Abergwili Battle of Fishguard Battle of St Clears Battle of Gelli Carnant Battle of Abergwili Cardiff Stoke Bath Kilkenny Chester Waterford 100 km 52.096N, 4.621W The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.
Battle of Crug Mawr is one of 438 engagements of the 12th century in the atlas and one of 695 in present-day United Kingdom.
Sources
Identity, coordinates, dates and the war from Wikidata Q3636411 , released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Crug Mawr , revision 1384158232, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.