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87:. The lower slopes are formed from mudstones and sandstones of the slightly older St. Maughans Formation. A number of small sandstone quarries, now disused, adorn the slopes. The hill probably stood out above the Usk Valley glacier ice during the
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signifies 'wooded slope of the ridge'. It takes the form of a northwest-southeast aligned ridge which rises to a height of 393m (1289 feet) and which overlooks the valley of the
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The hill is formed from sandstones and mudstones of the Senni
Formation (formerly the Senni Beds) of the
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123:. The summit area and the woodland to the northeast are open access for walkers. A car park off the
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are believed to have conveyed water from a greatly enlarged
Llangorse Lake into the Usk catchment.
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British
Geological Survey 1:50,000 map sheet 214 'Talgarth' & accompanying sheet explanation
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road immediately south of the hill provides a convenient starting point for many walkers.
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Ordnance Survey
Explorer map OL13 'Brecon Beacons National Park: eastern area'
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231:"Allt-yr-Esgair Hillfort, Llangors; Allt yr Esgair Hillfort (92158)"
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images from
Geograph website of Allt yr Esgair and surrounding area
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to the west and south. To the northeast are panoramic views across
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runs along the ridge and is followed by a modern-day bridleway.
44:. It is commonly referred to locally as simply 'The Allt'. The
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There is a viewfinder on the summit erected as a monument to
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at either end of the ridge at the villages of
Pennorth and
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Mountains and hills of the Brecon
Beacons National Park
111:run along the length of the hill giving access to
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331:Hillforts in the Brecon Beacons National Park
65:Eirene Lloyd White, Baroness White of Rhymney
71:with a prominence of 199 metres (653 feet).
149:road between the Roman fort of CICVCIVM at
135:Allt yr Esgair's summit is crowned by an
91:. At a late stage in de-glaciation, the
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142:, one of several in the Usk Valley.
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16:Hill (392.6m) in Powys, Wales, UK
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326:Mountains and hills of Powys
34:Brecon Beacons National Park
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171:List of hillforts in Wales
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25:Summit of Allt yr Esgair
311:Black Mountains, Wales
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83:laid down during the
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202:. hill-bagging.co.uk
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321:Hillforts in Powys
287:51.9111°N 3.2720°W
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341:Marilyns of Wales
81:Old Red Sandstone
32:is a hill in the
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292:51.9111; -3.2720
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159:Abergavenny
131:Archaeology
117:horseriders
305:Categories
275:51°54′40″N
245:22 January
177:References
109:bridleways
67:. It is a
278:3°16′19″W
155:Gobannium
53:River Usk
165:See also
140:hillfort
137:Iron Age
107:Several
235:Coflein
206:23 June
89:ice age
75:Geology
69:Marilyn
59:to the
241:. 2015
239:RCAHMW
113:walker
103:Access
147:Roman
97:Bwlch
46:Welsh
42:Wales
38:Powys
247:2016
208:2019
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