Corn Du: Difference between revisions
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{{short description|Welsh mountain peak; part of Pen y Fan}} |
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{{Use dmy dates|date=April 2022}} |
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{{Infobox mountain |
{{Infobox mountain |
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| name = Corn Du |
| name = Corn Du |
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| photo = File:Corn Du and Pen y Fan - geograph.org.uk - 489612 (cropped).jpg |
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| photo = Corndu.JPG |
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| photo_caption = |
| photo_caption = The summit of Corn Du |
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| elevation_m = |
| elevation_m = 871.5 |
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| elevation_ref = |
| elevation_ref = |
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| prominence_m = 28 |
| prominence_m = 28.2 |
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| parent_peak = [[Pen y Fan]] |
| parent_peak = [[Pen y Fan]] |
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| listing = [[Nuttall (hill)|Nuttall]] |
| listing = [[Nuttall (hill)|Nuttall]] |
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| translation = |
| translation = black horn |
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| language = [[Welsh language|Welsh]] |
| language = [[Welsh language|Welsh]] |
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| location = [[Powys]], [[Wales]] |
| location = [[Powys]], [[Wales]] |
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}} |
}} |
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'''Corn Du''' is a |
'''Corn Du''' is a summit of the twin topped [[Pen y Fan]] and the second highest peak in [[South Wales]] at 871.5 m (2,864 ft), situated in the [[Brecon Beacons National Park]]. The summit itself is marked by a well structured [[Bronze Age]] [[cairn]] with a central burial [[cist]] like that on nearby Pen y Fan. The two summits are visible from great distances owing to their height above the surrounding [[moorland]], and are famous [[landmark]]s. The views from the peaks are also panoramic and very extensive, the [[Black Mountain (range)|Black Mountain]] and [[Fforest Fawr]] being especially obvious to the west. [[Mynydd Epynt]] is visible to the north behind the county town of [[Brecon]], and other parts of the escarpment to the east. |
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==Access== |
==Access== |
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The summit is often crossed on the way to Pen y Fan, and forms part of a well-known circuit of the Beacons. It offers good views down into Cwm Llwch and across the [[River Usk|Usk valley]] to [[Brecon]] as well as east towards the [[Sugar Loaf, Monmouthshire]] above [[Abergavenny]].<ref>Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. {{ISBN|1-85284-304-7}}.</ref> |
The summit is often crossed on the way to Pen y Fan, and forms part of a well-known circuit of the Beacons. It offers good views down into Cwm Llwch and across the [[River Usk|Usk valley]] to [[Brecon]] as well as east towards the [[Sugar Loaf, Monmouthshire]] above [[Abergavenny]].<ref>Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. {{ISBN|1-85284-304-7}}.</ref> |
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[[ |
[[Pen y Fan#Tommy Jones.27 Obelisk|Tommy Jones' Obelisk]] is found on its western flanks, in between the summit and [[Y Gyrn]]. All of the surrounding [[moorland]] is open to access, but crossing some parts of the terrain such as [[peat bog]]s is more difficult and the main paths are well-engineered and maintained by the [[National Trust]]. |
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==Geology== |
==Geology== |
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[[File:Corn Du |
[[File:Towards Corn Du 1488174 6d33516f.jpg|thumb|left|Corn Du showing distinctive strata]] |
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The summit is very similar to that of Pen y Fan: flat and anvil |
The summit is very similar to that of Pen y Fan: flat and anvil-shaped. It is similarly formed from the relatively erosion-resistant [[Devonian]] age sandstones from the Upper [[Old Red Sandstone]] known as the Plateau Beds. The [[rock strata]] are clearly visible at the edge of the escarpment, where they form a resistant edge to the cliff. The same strata are visible all along the escarpment facing north, as well as the rearward edge facing south-east and lying behind the main peaks. The same Plateau Beds recur in the [[Black Mountain (range)]] to the west, and cap the summits of [[Picws Du]] and [[Fan Foel]], as well as forming steep cliffs below the peaks. |
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[[File:Tommy Jones Obelisk - geograph.org.uk - 609812.jpg|thumb|left |
[[File:Tommy Jones Obelisk - geograph.org.uk - 609812.jpg|thumb|left|The Tommy Jones obelisk with Pen y Fan (left) and Corn Du (right)]] |
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==Glacial lakes== |
==Glacial lakes== |
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[[File:Corn Du approached from the South - geograph.org.uk - 734177.jpg|thumb|Summit of Corn Du]] |
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Nearby is one of the few natural lakes in the park, the small [[Llyn Cwm Llwch]]. It may be compared with the much larger [[glacial lake]]s of [[Llyn y Fan Fach]] and [[Llyn y Fan Fawr]] below the |
Nearby is one of the few natural lakes in the park, the small [[Llyn Cwm Llwch]]. It may be compared with the much larger [[glacial lake]]s of [[Llyn y Fan Fach]] and [[Llyn y Fan Fawr]] below the main ridge of the [[Black Mountain (range)|Black Mountain]] about 15 miles west of the central Brecon Beacons [[escarpment]]. All three are of glacial origin and were formed during the last [[ice age]] by ice scouring out hollows below the peaks, the water being partly dammed by [[moraine]]s of rock debris carried down by ice action subsequent to [[plucking (glaciation)|plucking]] and [[frost shattering]]. |
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==References== |
==References== |
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Latest revision as of 23:04, 1 May 2023
| Corn Du | |
|---|---|
.jpg) The summit of Corn Du | |
| Highest point | |
| Elevation | 871.5 m (2,859 ft) |
| Prominence | 28.2 m (93 ft) |
| Parent peak | Pen y Fan |
| Listing | Nuttall |
| Naming | |
| English translation | black horn |
| Language of name | Welsh |
| Geography | |
 | |
| Location | Powys, Wales |
| Parent range | Brecon Beacons |
| OS grid | SO012215 |
| Topo map | OS Landranger 160 |
Corn Du is a summit of the twin topped Pen y Fan and the second highest peak in South Wales at 871.5 m (2,864 ft), situated in the Brecon Beacons National Park. The summit itself is marked by a well structured Bronze Age cairn with a central burial cist like that on nearby Pen y Fan. The two summits are visible from great distances owing to their height above the surrounding moorland, and are famous landmarks. The views from the peaks are also panoramic and very extensive, the Black Mountain and Fforest Fawr being especially obvious to the west. Mynydd Epynt is visible to the north behind the county town of Brecon, and other parts of the escarpment to the east.
Access
[edit]The summit is often crossed on the way to Pen y Fan, and forms part of a well-known circuit of the Beacons. It offers good views down into Cwm Llwch and across the Usk valley to Brecon as well as east towards the Sugar Loaf, Monmouthshire above Abergavenny.[1] Tommy Jones' Obelisk is found on its western flanks, in between the summit and Y Gyrn. All of the surrounding moorland is open to access, but crossing some parts of the terrain such as peat bogs is more difficult and the main paths are well-engineered and maintained by the National Trust.
Geology
[edit]
The summit is very similar to that of Pen y Fan: flat and anvil-shaped. It is similarly formed from the relatively erosion-resistant Devonian age sandstones from the Upper Old Red Sandstone known as the Plateau Beds. The rock strata are clearly visible at the edge of the escarpment, where they form a resistant edge to the cliff. The same strata are visible all along the escarpment facing north, as well as the rearward edge facing south-east and lying behind the main peaks. The same Plateau Beds recur in the Black Mountain (range) to the west, and cap the summits of Picws Du and Fan Foel, as well as forming steep cliffs below the peaks.
Glacial lakes
[edit]
Nearby is one of the few natural lakes in the park, the small Llyn Cwm Llwch. It may be compared with the much larger glacial lakes of Llyn y Fan Fach and Llyn y Fan Fawr below the main ridge of the Black Mountain about 15 miles west of the central Brecon Beacons escarpment. All three are of glacial origin and were formed during the last ice age by ice scouring out hollows below the peaks, the water being partly dammed by moraines of rock debris carried down by ice action subsequent to plucking and frost shattering.
References
[edit]- ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.
External links
[edit]