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The Roman Military in Britain

Part#1 : Legionary and Vexillation Fortresses

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 FortressN.G.Ref.DimensionsAreaType
Dynevor Park, Llandeilo, DyfedSN621224c.720 x 590 ft
(c.220 x 180 m)
c.12 acres
(c.4.85 ha)
vexillation
Alchester, Bicester, OxfordshireSP570203? ft
(? m)
26 acres
(10.5 ha)
vexillation
ISCA [SILVRVM]
(Caerleon, Gwent)
ST3399061,600 x 1,350 ft
(c.490 x 410 m)
50 acres
(21 ha)
legionary
HORREA CLASSIS
(Carpow, Fife)
NO208179940 x 570 ft
(c.287 x 174 m)
12¼ acres
(c.5 ha)
vexillation
DEVA VICTRIX / CASTRA LEGIONIS
(Chester, Cheshire)
SJ4046621,950 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)
NX9338401,315 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)
SJ9091141,475 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)
SJ5980551,050 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)TL1589771,150 x 950 ft
(350 x 290 m)
25 acres
(c.10 ha)
vexillation
Longthorpe II (Cambridgeshire)TL158977660 x 725 ft
(c.200 x 220 m)
11 acres
(c.4.45 ha)
vexillation
MANDVESSEDVM
(Mancetter, Warwickshire)
SP3189661,080 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