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Cwm Aran Hillfort
Primary Reference Number (PRN) : 1107 Trust : Clwyd Powys Community : Llanddewi Ystradenny Unitary authority : Powys NGR : SO1463070090 Site Type (preferred type first) : IRON AGE HILLFORT Status : scheduled monument
Description : Univallate hillfort. Kidney shaped. Axies of 90m and 50m orientated E-W. Prominent position on E-W ridge. Entrance in W. Defences comprise bank with traces of outer ditch. Possible remains of annexe to W.
Previous repairs to animal erosion on the southern banks of the hill fort appear to have repaired well and have not re-occurred. (CPAT Tir Gofal assessment, 2004)
Cwm Aran hillfort is essentially a univallate hiIlfort, colloquially kidney-shaped and with internal axes of 75m from east to west and just under 50m from north-west to south-east. It is however more complex that this. Firstly, the bank and ditch, the latter intermittent in places, has an outer bank showing as little more than a low counterscarp on the south side. Also on the western side the two arms of the earthwork overlap to create a funnelled appearance for a distance of some 30m. However, this does not appear to be an exotic entrance form for there are gaps in both the inner and the outer earthwork to form an 8m-wide entrance. A second gap on the eastern side no more than 3m wide appears to form a secondary entrance, though this may be of a later date.
Thirty-five metres to the west of the main entrance is another earthwork. Whether this should be termed a cross-ridge bank or an annexe bank is unclear but either way it is evident that there was some sort of outer 'enclosure' here and two waterlogged hollows might conceivably represent water-collection points or even wells. It has however two gaps in it, the more southerly of which looks to be the entrance. However, the earthwork as an entity might be considered unfinished.
Apparently previously unnoticed, a 16m-long rectangular hut occupies the interior of the earthwork. Conventionally this should be attributed to the medieval period, but it is not impossible that it is either later or earlier than this period (Defended Enclosures in Radnorshire Project, CPAT, 2006).