Details

This monument includes a complex prehistoric and historic archaeological
landscape situated within Trowlesworthy Warren which lies between the River
Plym, Blacka Brook and Spanish Lake. The prehistoric archaeology includes an
extensive stone hut circle settlement complex, a ring cairn and several
clearance cairns. The medieval archaeology includes a field system bounded by
a cornditch, and the post-medieval remains include a field system, pillow
mounds, vermin traps and animal runs forming part of a warren, clearance
cairns, a rectangular building, a dam, leats, gravel pit and areas of alluvial
streamworks. Together these buildings and structures form a complex multi-
period archaeological landscape representing the three major periods of
intensive activity on Dartmoor.
The stone hut circle settlement complex extends over much of the monument and
includes at least 19 enclosures and 37 stone hut circles. There are two
discreet settlement concentrations, one lies to the north west of
Trowlesworthy Farm and the other to the south east. The north western group of
enclosures and stone hut circles includes two agglomerated enclosures and a
simple one. The prehistoric settlement south east of Trowlesworthy Warren
House includes one agglomerated enclosure and eight simple ones.
Scattered amongst the enclosures and huts are at least nine small clearance
cairns. These cairns may be of historic date, but their appearance and
proximity to Bronze Age features suggests that they are more likely to be
prehistoric.
The remaining features of prehistoric date lying within the monument are a
ring cairn and two enclosures. The ring cairn survives as a 1.4m wide circular
bank of edge set stones and soil standing up to 0.5m high, surrounding an
internal area measuring 14.5m in diameter. The cairn has been bisected by a
cornditch forming part the medieval field system associated with Trowlesworthy
Farm, and the eastern half of the cairn lies within a droveroad.
Surrounding Trowlesworthy Farm are a range of field boundaries, some of which
must belong to the medieval farm. The most obvious medieval boundary is the
cornditch which forms the outer edge of the monument on the southern and
western sides. This survives as a large bank revetted on the outer side,
beyond which is the ditch. Along the eastern side a length of the cornditch
between SX57216466 and SX57306443 has been reused by the Lee Moor China Clay
Leat. Another certain medieval feature is a funnel formed by two banks which
leads from the open moorland at SX56956487 to Trowlesworthy Farm. This feature
would have been built to allow animals to be driven to and from the Moor
without them passing through the fields. A number of field boundaries lying
within the monument were undoubtedly used during the medieval period but
because some are reused prehistoric ones and others may not have been built
until the post-medieval period, it is difficult without further work to
establish precisely which ones formed the medieval field system.
The medieval field system developed into the one used during the post-medieval
period. Over half of the post-medieval field system associated with
Trowlesworthy Farm is included within this monument and most of this lies to
the south east of the farmstead outside the present infield. Cartographic
research has graphically illustrated the changing field patterns from 1842
onwards. The general picture that emerges is of the fields east and south east
of the farmstead being abandoned whilst two new ones were constructed to the
north west. The nearest new field to the north west is particularly
interesting because when it was first laid out between 1842 and 1904 its
southern side respected an earlier prehistoric enclosure. However sometime in
the period after this, the enclosure wall was removed and presumably rebuilt
into the new extended field.
Rabbit farming was also an important activity within this area during the
post-medieval period and part of Trowlesworthy Warren lies within this
monument. The boundaries of Trowlesworthy Warren, which includes around 64
pillow mounds and 40 vermin traps scattered along the slopes of Little and
Great Trowlesworthy Tors, are denoted by the River Plym, Spanish Lake and
Blacka Brook. Trowlesworthy Warren is generally accepted as the oldest warren
on Dartmoor, although recently doubt has been expressed concerning its
medieval origins. It is however known that the warren existed by 1651 when it
was occupied by John Hamblin, a skinner from Plymouth. The warren appears to
have remained in constant use from this time until the first half of the 20th
century.
At least 24 pillow mounds survive within the monument and most of these
survive as flat-topped, sub-rectangular mounds of soil and stone surrounded by
the ditch from which material was quarried during their construction. The
mounds vary in length between 10.5m and 190m, with the average being 30.5m.
Their widths vary between 3.5m and 8m, with the average being 5.66m. The
heights of the mounds vary between 0.5m and 1.5m, with the average being
0.93m. All of the mounds are surrounded by a visible ditch and these vary in
depth between 0.1m and 0.7m with the average being 0.28m.
Scattered throughout the part of the warren lying within the monument are at
least 15 vermin traps. Vermin approaching their quarry tend to seek a route
that provides visual cover and the purpose of a trap was to funnel predators
along ditches or beside walls to a central point where they could be trapped.
Fourteen of the traps were constructed against or across earlier field
boundaries or leat banks and were clearly intended to entrap the vermin
following these artificial barriers. The traps survive as `X'- or `V'-shaped
lengths of walling leading to a trapping area in which a stone box was
originally placed.
Within the warren at least 17 gullies, some of which are closely associated
with pillow mounds, are visible. These gullies generally survive as shallow,
relatively steep-sided hollows with a width of less than 1m, and are
associated with a low bank which represents the material upcast during their
construction. In the past these gullies have been seen as drainage ditches.
However, the location, shape and alignment of many indicates very clearly that
they could not all have had a drainage function. Their close association with
vermin traps in several instances suggests that they are more likely to
represent animal runs. Gullies such as these could have been excavated to
control the movement of vermin.
Alluvial streamworks are situated within the valley bottom of the River Plym
at two points within the monument. The streamworks include parts of spoil
dumps represented by linear banks and hollows which indicate the position of
partially backfilled work areas (tyes). The spoil dumps were formed by waste
material being thrown systematically downstream into previously worked areas.
The alignment and shape of the mounds indicates that exploitation was carried
out using only shovels to dispose of the waste gravel and stones. Two named
tinworks are recorded in this vicinity, and these are `Trowlsworthy' recorded
in 1625 and `Brisworthy/Brissory Meadowe alias Swynowe Wrosell/Brisserie
Meadowe alias Syynowe Wrosell/Brightsworthy Mede/Brightsworthy
Meade/Brightsworthy Meed' recorded in 1527, 1538, 1589 and 1633.
Other remains of post-medieval date include six clearance cairns, a gravel
quarry and lengths of leat together with a dam. The cairns are probably
relatively recent in date and were probably derived from stone taken from
nearby infield. The gravel quarry lies on the edge of the River Plym's
floodplain and survives as a 19m long by 4.7m wide irregular shaped hollow.
Spoil dumps containing fist sized rounded pebbles lie along the south western
edge of the quarry and measure up to 4m wide by 1.2m high. This quarry was
probably excavated to collect hardcore for road and track building and
maintenance. Finally, in the area north east of Trowlesworthy farmstead is
a dam and associated leats. The dam survives as a vertical stone course wall
standing up to 1.8m high and its reservoir measures 5m long by 5m wide. The
reservoir was filled by an offshoot channel from another leat which collected
water from Spanish Lake. Water from the reservoir was carried to Trowlesworthy
Warren House where it was used for domestic purposes and also drove a water
wheel. A further offshoot channel leading from the service leat may represent
an overflow.
This monument is in the care of the Secretary of State.
The road surface of the main track to Trowlesworthy Farm from Cadover Bridge
is excluded from the scheduling, although the ground beneath is included.

MAP EXTRACT
The site of the monument is shown on the attached map extract.

Source: Historic England

Reasons for Scheduling

Dartmoor is the largest expanse of open moorland in southern Britain and,
because of exceptional conditions of preservation, it is also one of the most
complete examples of an upland relict landscape in the whole country. The
great wealth and diversity of archaeological remains provides direct evidence
for human exploitation of the Moor from the early prehistoric period onwards.
The well-preserved and often visible relationship between settlement sites,
land boundaries, trackways, ceremonial and funerary monuments as well as later
industrial remains, gives significant insights into successive changes in the
pattern of land use through time.
The prehistoric and historic archaeological landscape at Trowlesworthy Warren
represents a complex array of interrelated structures and features belonging
to the three main periods of upland exploitation. The medieval and post-
medieval field system is most extensive, but within the area is also the well-
preserved evidence for prehistoric settlement, agriculture and funerary
practice. In the post-medieval period, a series of pillow mounds forming part
of a warren, lengths of leat, a dam, a gravel pit, tin streamwork and military
features highlight the continued use of this area.

Source: Historic England

Sources

Books and journals
Butler, J, Dartmoor Atlas of Antiquities, (1994), 157
Butler, J, Dartmoor Atlas of Antiquities, (1994)
Butler, J, Dartmoor Atlas of Antiquities, (1994)
Butler, J, Dartmoor Atlas of Antiquities, (1994)
Butler, J, Dartmoor Atlas of Antiquities, (1994), 157
Butler, J, Dartmoor Atlas of Antiquities, (1994), 159
Butler, J, Dartmoor Atlas of Antiquities, (1994), 157
Butler, J, Dartmoor Atlas of Antiquities, (1994), 159
Butler, J, Dartmoor Atlas of Antiquities, (1994), 159
Crossing, W, Crossing's Guide To Dartmoor, (1990), 431
Crossing, W, Crossing's Guide To Dartmoor, (1990), 431
Price, D G, 'Devonshire Association Transactions' in Site and Settlement at Trowlesworthy Warren, , Vol. 109, (1977), 43
Price, D G, 'Devonshire Association Transactions' in Site and Settlement at Trowlesworthy Warren, , Vol. 109, (1977), 42
Price, D G, 'Devonshire Association Transactions' in Site and Settlement at Trowlesworthy Warren, , Vol. 109, (1977), 42
Other
Devon County Sites and Monuments Register, SX56NE106, (1982)
Devon County Sites and Monuments Register, SX56NE107, (1982)
Devon County Sites and Monuments Register, SX56NE108,
Devon County Sites and Monuments Register, SX56NE111,
Devon County Sites and Monuments Register, SX56NE240, (1985)
Devon County Sites and Monuments Register, SX56NE242, (1972)
Devon County Sites and Monuments Register, SX56NE244, (1985)
Devon County Sites and Monuments Register, SX56SE212, (1972)
Devon County Sites and Monuments Register, SX56SE361, (1987)
Devon County Sites and Monuments Register, SX56SE56,
Devon County Sites and Monuments Register, SX56SE57, (1982)
Devon County Sites and Monuments Register, SX56SE87, (1986)
Gerrard, G.A.M., The Early Cornish Tin Industry: An Arch. & Historical Survey, 1986, Unpubl. PhD thesis, St David's, Wales
Gibson, A, Single Monument Class Description - Stone Hut Circles, (1987)
MPP fieldwork by S. Gerrard, (1995)
National Archaeological Record, SX56SE19,
National Archaeological Record, SX56SE66,
PWDRO/72/1034, (1625)
PWDRO/72/990/15,21,22,66,
Robertson, J G, The Archaeology of the Upper Plym Valley, 1994, Unpub. Ph.D. Thesis (Edinburgh)
Robertson, J G, The Archaeology of the Upper Plym, 1991, Unpub. Ph.D. Thesis (Edinburgh)
Robertson, J G, The Archaeology of the Upper Plym, 1991, Unpub. Ph.D. Thesis (Edinburgh)
Robertson, J G, The Archaeology of the Upper Plym, 1991, Unpub. Ph.D. Thesis (Edinburgh)
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory
Thackray, C., The Upper Plym Valley: The management of an historic landscape, 1994, Archaeological Site Inventory

Source: Historic England