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which most probably occurred in the early post-glacial period. There are many similar landslips in the Black
Mountains, where weak strata have been eroded away, and destabilized the strata above. A large area of hummocky ground abounding with boulders of Old Red Sandstone lies across the slopes below
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sitting atop a tilted mass of gritstone on the hill's southeastern spur and otherwise known as Table
Mountain. However, there are also ancient cairns on each of the main tops. Small disused quarries once worked for the Old Red Sandstone are scattered across the hill's lower slopes.
248:. The views from here are wide-ranging and extend as far as the Beacons themselves to the west. A ridge runs off to the northwest and the shoulder of Pen Gloch-y-pibwr then turns north to the secondary top of
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Nuttall, John & Anne (1999). The
Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone.
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skirts the hill's southern and western slopes. The most popular route to the summit is the approach up the southeastern spur from
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Like all of the hills in the Black
Mountains, Pen Cerrig-calch is formed from mudstones and sandstones of the
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British
Geological Survey 1:50,000 map sheet 214 'Talgarth' & accompanying sheet explanation
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The rounded southwestern shoulder of the hill ends abruptly at a cliff by the name of Darren (
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Ordnance Survey
Explorer map OL13 'Brecon Beacons National Park: eastern area'
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www.geograph.co.uk : photos of Pen Cerrig-calch and surrounding area
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236:. Its summit, at a height of 701 m (2,300 ft), is marked by a
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The most celebrated feature of the hill is the fortification of
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outcropping around the summit and giving rise to a few
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whose peak at 719m is also crowned by a trig point.
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244:valley as it narrows above the small town of
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35:Pen Cerrig-calch from the col leading to
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302:'edge') which was formed by a sizeable
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268:but it is unusual in having a band of
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354:Valley and from the valley of the
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240:. The peak sits high above the
16:Mountain (701m) in Powys, Wales
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442:Mountains and hills of Powys
226:Brecon Beacons National Park
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276:. A classic example of an
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54:701 m (2,300 ft)
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270:Carboniferous Limestone
64:52 m (171 ft)
437:Black Mountains, Wales
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264:laid down during the
144:top of the limestones
322:seen from a distance
294:Carboniferous period
141:English translation
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366:(Table Mountain).
358:to the east. The
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120:51.8939°N 3.1369°W
44:Highest point
262:Old Red Sandstone
214:subsidiary summit
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447:Hewitts of Wales
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210:Pen Cerrig-calch
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149:Language of name
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286:Marros Group
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228:in southern
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457:Crickhowell
360:Beacons Way
348:access land
311:Archaeology
246:Crickhowell
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98:Coordinates
70:Parent peak
431:Categories
370:References
364:Crug Hywel
328:Crug Hywel
320:Crug Hywel
274:shakeholes
238:trig point
201:Landranger
108:51°53′38″N
60:Prominence
242:River Usk
218:Waun Fach
159:Geography
111:3°08′13″W
75:Waun Fach
50:Elevation
452:Nuttalls
335:hillfort
332:Iron Age
307:Darren.
304:landslip
193:Topo map
185:SO217223
164:Location
278:outlier
256:Geology
224:in the
220:in the
179:OS grid
91:Nuttall
82:Listing
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342:Access
136:Naming
87:Hewitt
300:Welsh
282:Welsh
234:Wales
230:Powys
212:is a
172:Wales
153:Welsh
384:ISBN
352:Usk
216:of
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198:OS
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
