Portus Lemanis, also known as Lemanae, was the Latin name of a
Roman Saxon Shore fort, settlement and port in southern
Kent
Kent is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Essex across the Thames Estuary to the north, the Strait of Dover to the south-east, East Sussex to the south-west, Surrey to the west, and Gr ...
. The modern village of
Lympne
Lympne (), formerly also Lymne, is a village on the former shallow-gradient sea cliffs above the expansive agricultural plain of Romney Marsh in Kent. The settlement forms an L shape stretching from Port Lympne Zoo via Lympne Castle facing Ly ...
derives its name from the ancient port. The site, known locally as Stutfall Castle, is on private land which is accessible by public footpath.
History
The first documentary mention of the site is found in the late 3rd-century
Antonine Itinerary
The Antonine Itinerary (, "Itinerary of the Emperor Antoninus") is an , a register of the stations and distances along various roads. Seemingly based on official documents, possibly in part from a survey carried out under Augustus, it describes t ...
, where it is mentioned as lying 68,000 paces (68
Roman mile
The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of length; both are based on the older English unit of length equal to 5,280 English ...
s) from
Londinium
Londinium, also known as Roman London, was the capital of Roman Britain during most of the period of Roman rule. Most twenty-first century historians think that it was originally a settlement established shortly after the Roman conquest of Brit ...
(
London
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
) and 16,000 paces from the cantonal capital
Durovernum Cantiacorum
Durovernum Cantiacorum was a town and British hillforts, hillfort () in Roman Britain at the site of present-day Canterbury in Kent. It occupied a strategic location on Watling Street at the best local crossing of the River Stour, Kent, Stour, wh ...
(the modern
Canterbury
Canterbury (, ) is a City status in the United Kingdom, city and UNESCO World Heritage Site, in the county of Kent, England; it was a county borough until 1974. It lies on the River Stour, Kent, River Stour. The city has a mild oceanic climat ...
). However, there is archaeological evidence of much earlier use as a naval base:
tiles
Tiles are usually thin, square or rectangular coverings manufactured from hard-wearing material such as ceramic, stone, metal, baked clay, or even glass. They are generally fixed in place in an array to cover roofs, floors, walls, edges, or ot ...
stamped ''CL BR'' have been found indicating that sailors or marines of the fleet, the ''
Classis Britannica
The ''Classis Britannica'' (literally, ''British fleet'', in the sense of 'the fleet in British waters' or 'the fleet of the province of Britannia', rather than 'the fleet of the state of Britain') was a provincial naval fleet of the navy of an ...
'', were involved in its construction, as well as an inscription dated to the first third of the 2nd century (''
RIB
In vertebrate anatomy, ribs () are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the thoracic cavity, enabling the lungs to expand and thus facilitate breathing by expanding the ...
'' 66) on an altar stone, dedicated to the god
Neptune
Neptune is the eighth and farthest known planet from the Sun. It is the List of Solar System objects by size, fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 t ...
by a Lucius Aufidius Pantera,
prefect
Prefect (from the Latin ''praefectus'', substantive adjectival form of ''praeficere'': "put in front", meaning in charge) is a magisterial title of varying definition, but essentially refers to the leader of an administrative area.
A prefect' ...
of the ''
Classis Britannica
The ''Classis Britannica'' (literally, ''British fleet'', in the sense of 'the fleet in British waters' or 'the fleet of the province of Britannia', rather than 'the fleet of the state of Britain') was a provincial naval fleet of the navy of an ...
''.
[''CBA Report 18: The Saxon Shore'', p. 29] According to the 5th-century ''
Notitia Dignitatum
The (Latin for 'List of all dignities and administrations both civil and military') is a document of the Late Roman Empire that details the administrative organization of the Western and the Eastern Roman Empire. It is unique as one of very ...
'', the fort was garrisoned by a regiment raised in
Tournai
Tournai ( , ; ; ; , sometimes Anglicisation (linguistics), anglicised in older sources as "Tournay") is a city and Municipalities in Belgium, municipality of Wallonia located in the Hainaut Province, Province of Hainaut, Belgium. It lies by ...
(''numerus Turnacensium'') and formed part of a defence system known as the
Saxon Shore under the command of a
Count
Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...
. The last mention of Lemanis in Latin sources is in the late 7th-century ''
Ravenna Cosmography
The ''Ravenna Cosmography'' (, "The Cosmography of the Unknown Ravennese") is a work describing the Ecumene, known world from India to Ireland, compiled by an anonymous cleric in Ravenna around 700 AD. It consists of five books describing ...
'', by which time the site, along with the rest of Britain, had long been severed from the Roman Empire.
Location and construction

The fort stood on a hill overlooking a reach of sea which has since been drained to form the
Romney Marsh
Romney Marsh is a sparsely populated wetland area in the counties of Kent and East Sussex in the south-east of England. It covers about . The Marsh has been in use for centuries, though its inhabitants commonly suffered from malaria until the ...
. A harbour lay to the south and east.
A ''
vicus
In Ancient Rome, the Latin term (plural ) designated a village within a rural area () or the neighbourhood of a larger settlement. During the Republican era, the four of the city of Rome were subdivided into . In the 1st century BC, Augustus ...
'' (civilian settlement) had also sprung up in its proximity, situated astride the road that led to Canterbury.
The construction of the Saxon Shore-era fort can be dated to the late 270s, as is evidenced by its late-style characteristics, including forward-projecting towers. The remains are in poor condition, since the ground, mostly clay, has at places given way. The southern side of the fort is wholly missing, and elsewhere the remains have been moved at various angles, while little evidence of interior structures (remains of a
bath
Bath may refer to:
* Bathing, immersion in a fluid
** Bathtub, a large open container for water, in which a person may wash their body
** Public bathing, a public place where people bathe
* Thermae, ancient Roman public bathing facilities
Plac ...
and possibly the ''principia'') survives.
The site is still relatively unknown: the only major archaeological excavations were carried out by Roach Smith in 1850 and 1852.
The remains of the main rampart show a strong construction ca. 3.9 m wide, and surviving sections are still between 6 and 8 m in height. The wall is built of recycled material from earlier structures and bonded with bands of
brick
A brick is a type of construction material used to build walls, pavements and other elements in masonry construction. Properly, the term ''brick'' denotes a unit primarily composed of clay. But is now also used informally to denote building un ...
, which include several roofing tiles.
[Fields (2006), p. 21] Originally, the fort may have had about 14 towers. A single main gate survives towards the east, as well as several
posterns. Its shape may have been an irregular pentagon, which covered an area of ca. 3.4 ha; but this shape would be unusual for Roman forts, especially in the Saxon Shore system.
References
Sources
*
*
External links
Portus Lemanis , Roman Britain* Photos of Portus Lemanis by
The University of Kent, taken during an archaeological survey of the site in 2012 → .
{{Saxon Shore
Saxon Shore forts
Roman fortifications in England
Former populated places in Kent
Roman towns and cities in England
Archaeological sites in Kent