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The following table contains the names, grid references, dimensions and enclosed areas of every known Roman legionary or vexillation fortress in Britain. A separate description of each fortress is available by clicking on its name.
| Location of Fortress | N.G.Ref. | Dimensions | Area | Type |
|---|---|---|---|---|
| Dynevor Park, Llandeilo, Dyfed | SN621224 | c.720 x 590 ft (c.220 x 180 m) | c.12 acres (c.4.85 ha) | vexillation |
| Alchester, Bicester, Oxfordshire | SP570203 | ? ft (? m) | 26 acres (10.5 ha) | vexillation ¢¬ |
| ISCA [SILVRVM] (Caerleon, Gwent) | ST339906 | 1,600 x 1,350 ft (c.490 x 410 m) | 50 acres (21 ha) | legionary |
| HORREA CLASSIS (Carpow, Fife) | NO208179 | 940 x 570 ft (c.287 x 174 m) | 12¼ acres (c.5 ha) | vexillation |
| DEVA VICTRIX / CASTRA LEGIONIS (Chester, Cheshire) | SJ404662 | 1,950 x 1,360 ft (594 x 415 m) | 56 acres (22.7 ha) | legionary |
| Clyro (Powys) | SO2243 | x ft ( x m) | 26 acres (10.2 ha) | vexillation ¢¬ |
| COLONIA CAMVLODVNENSIVM (Colchester, Essex) | TL995252 | x ft ( x m) | acres ( ha) | legionary ¢¬ |
| CORSTOPITVM (Corbridge, Northumberland) | NY9864 | x ft ( x m) | acres ( ha) | vexillation ¢¬ |
| Dalswinton Bankfoot I (Dumfries & Galloway) | NX933840 | 1,315 x 715 ft (c.400 x 218 m) | 21½ acres (c.8.7 ha) | vexillation |
| ISCA DVMNONIORVM (Exeter, Devon) | SX923925 | ? x ? ft ? x ? ft | 37 acres 50 acres | vexillation ¢¬ legionary |
| COLONIA GLEVENSIVM (Gloucester, Gloucestershire) | SO8318 | x ft ( x m) | 43 acres (17.4 ha) | legionary ¢¬ |
| ALATA CASTRA (Inchtuthil, Tayside) | NO1239 | x ft ( x m) | 49½ acres (20 ha) | legionary |
| Kingsholm, Gloucester (Gloucestershire) | … | x ft ( x m) | acres ( ha) | vexillation ¢¬ |
| PENNOCRVCIVM (Kinvaston, Staffordshire) | SJ909114 | 1,475 x 780 ft (450 x 238 m) | 26½ acres (10.7 ha) | vexillation |
| Lake Farm (Dorset) | SY997990 | x ft ( x m) | acres ( ha) | vexillation ¢¬ |
| Leighton, Eaton Constantine (Shropshire) | SJ598055 | 1,050 x 920 ft (c.320 x 280 m) | 22¼ acres (c.9 ha) | vexillation |
| COLONIA LINDENSIVM (Lincoln, Lincolnshire) | SK975714 | x ft ( x m) | 41 acres (16.6 ha) | legionary ¢¬ |
| Longthorpe I (Cambridgeshire) | TL158977 | 1,150 x 950 ft (350 x 290 m) | 25 acres (c.10 ha) | vexillation |
| Longthorpe II (Cambridgeshire) | TL158977 | 660 x 725 ft (c.200 x 220 m) | 11 acres (c.4.45 ha) | vexillation |
| MANDVESSEDVM (Mancetter, Warwickshire) | SP318966 | 1,080 x 1,010 ft (330 x 310 m) | 25 acres (10.1 ha) | vexillation |
| Newton on Trent (Lincolnshire) | SK823737 | ? ft (? m) | >30 acres (>12 ha) | vexillation ¢¬ |
| Osmanthorpe (Nottinghamshire) | SK6756 | ? ft (? m) | c.20 acres (c.8 ha) | vexillation ¢¬ |
| Rossington (South Yorkshire) | SK6399 | ? ft (? m) | c.23 acres (c.9.3 ha) | vexillation ¢¬ |
| Rhyn Park (Shropshire) | SJ3037 | ? ft (? m) | c.42 acres (c.17 ha) | vexillation ¢¬ |
| BVRRIVM (Usk, Gwent) | SO379007 | ? ft (? m) | ? acres (? ha) | legionary ¢¬ |
| VIROCONIUM CORNOVIORVM (Wroxeter, Shropshire) | SJ565088 | ? ft (? m) | ? acres (? ha) | legionary ¢¬ |
| COLONIA EBORACENSIVM (York, North Yorkshire) | SE603521 | ? ft (? m) | c.50 acres (c.20.2 ha) | legionary |