More information : (SY 60588670) Hell Stone (NAT) Long Barrow (NR) (1)
The Hell Stone, Neolithic chambered long barrow (SY 60588670)
is situated on Portesham Hill, over 600 ft above OD, on the
summit of the south facing limestone escarpment which here
forms a flat-topped ridge running north west - south east, the
ground falls steeply on the south west to a re-entrant and
less steeply on the north east to a dry valley. The long mound
is aligned along the ridge (130o), with a reconstructed stone
chamber exposed at the south east end.
The much-damaged mound is at least 88 ft long and up to 40 ft
wide, tapering slightly to north west, it is of rounded
cross-profile and rises to a maximum height of 5 ft near the
chamber, but further south east it is much disturbed and at
most 2 ft high. The chamber, incorrectly rebuilt in 1866, now
consists of nine orthostats, up to 5 3/4 ft high and from
1 1/4 ft to 1 3/4 ft thick, supporting a roughly oval
capstone, 10 ft by 8 ft and averaging just over 2 ft
thick. Smaller stones embedded in the mound in front
of the chamber may represent a former peristalith,
probably not continuous. The stones are sarsen of
Bagshot age, a hard Tertiary conglomerate containing
flint gravel. A drawing of 1790 by S H Grimm shows the capstone
supported by one or two orthostats and tilting to the south
with another orthostat to the north and recumbent stones to
south and south west. Hutchins, who published a similar
illustration states that the arrangement of the stones was
partly due to shepherds who used the chamber as a shelter.
Nevertheless the stones clearly represent an original chamber,
and the Hell Stone is comparable to the `Grey Mare and her
Colts`, less than 1 1/2 miles to the west on the same ridge
(SY 58 NE 19).
The barrow is now crossed by a stone wall running north - south
to east of which it has been disturbed by digging. Ploughing
has enroached on the mound, and air photographs (CPE/UK 1824,
3299) suggest that it was used as a `Celtic` field boundary
(SY 68 NW ).
Resurveyed at 1:2500 (See illustration). (3)
Long barrow generally as described by RCHM (2). Length 38.0m.,
maximum width 17.0m., height 1.4m. Very mutilated. No visible
ditch.
Re-surveyed at 1:2500 on M.S.D (4)
The Hell Stone lies at SY 6058 8670, in a similar location to the Grey Mare and Her Colts (SY 58 NE 19), at the head of a dry valley system which runs south and southwest via Hell Bottom to the southern edge of the Ridgeway at Corton Hill. The Hell Stone comprises a rectangular mound, orientated NW-SE and 24m long. The mound tapers in width from the southeast end (12m) to the northwest end (8m) and is 1m high. An arrangement of upright sarsens with a massive capstone sits on the southeast end of the mound. This was an attempt at restoration in 1866 when eight gentlemen fabricated something more akin to a portal dolmen than to the façade of a chambered long barrow (C Warne, Ancient Dorset 1872, ii). A drystone field wall runs across the mound and a pond for watering stock was dug close to the southeast end of the mound very recently (5).
The site was surveyed using EDM at a scale of 1: 200 as part of a survey of the long barrows on the South Dorset Ridgeway carried out by English Heritage and the Ridgeway Survey Group (6)
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