Cadair Fawr: Difference between revisions
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Adding local short description: "Hill (485m) in Rhondda Cynon Taf, Wales", overriding Wikidata description "hill (485m) in Rhondda Cynon Taf" |
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{{Short description|Hill (485m) in Rhondda Cynon Taf, Wales}} |
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{{Use dmy dates|date=April 2022}} |
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'''Cadair Fawr''' is a hill in the northern corner of the [[county borough]] of [[Rhondda Cynon |
'''Cadair Fawr''' is a hill in the northern corner of the [[county borough]] of [[Rhondda Cynon Taf]], [[Wales]]. It lies within the [[Brecon Beacons National Park]] and [[Fforest Fawr Geopark]]. The 485m high summit at OS grid ref SN 978123 is marked by a [[trig point]]. Cadair Fawr is the highest point of a broad ridge known as '''Cefn Cadlan''' which forms the northern edge of Cwm Cadlan, a valley which itself runs east-northeastwards from the village of [[Penderyn, Rhondda Cynon Taf|Penderyn]]. The name Cadair Fawr signifies the 'big chair' whilst Cefn Cadlan signifies the 'ridge of the battlefield'.<ref>Ordnance Survey Explorer map OL12 'Brecon Beacons National Park: western area'</ref> |
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==Geology== |
==Geology== |
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The summit is formed from [[Carboniferous Limestone]] whilst much of the Cefn Cadlan ridge which slopes away to the west is formed from the [[Marros Group|Twrch Sandstone]] (formerly known as the Basal Grit), which also dates from the [[Carboniferous period]]. A series of minor [[fault (geology)|fault]]s runs northwest to southeast through the hill whilst a few including the Coed Hir Fault run northeast to southwest, paralleling the major fault forming a part of the [[Neath Disturbance]] which runs through Cwm Cadlan. Much of the hill's surface is pitted by [[shakehole]]s, the larger of which occur on the areas where gritstone forms the surface. Quarries have been opened up in both the limestone and the gritstone over the years though none are now active.<ref>British Geological Survey 1:50,000 map sheet 231 'Merthyr Tydfil' & accompanying memoir</ref> |
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==Scheduled ancient monuments== |
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;Cadair Fawr Round Cairn: ({{coord|51.7992|-3.4844|name=Cadair Fawr Round Cairn|region:GB_type:landmark}}, OS grid ref: SN977122.) A large cairn, 9m across, near the summit of Cadair Fawr (also sometimes spelled Cader Fawr Round Cairn).<ref>{{Watprn|coflein|84644}}. {{Watprn|GGAT|00743m}}. Cadw SAM: BR135: Cader Fawr Round Cairn</ref> |
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;Pant-y-Gadair Hut Circle Settlement: ({{coord|51.8049|-3.4719|name=Pant-y-Gadair Hut Circle Settlement|region:GB_type:landmark}}, OS grid ref: SN98612.) A prehistoric hut circle 6m across, with walls of unworked limestone, on the north slopes of Cadair Fawr.<ref>{{Watprn|coflein|84685}}. {{Watprn|GGAT|02048m}}. Cadw SAM: BR413: Pant-y-Gadair Hut Circle Settlement</ref> |
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;Cadair Fawr settlement: ({{coord|51.7993|-3.472|name=Cadair Fawr settlement|region:GB_type:landmark}}, OS grid ref: SN985122) - A group of medieval or later house platforms east of the summit of Cadair Fawr.<ref>{{Watprn|coflein|84653}}. {{Watprn|GGAT|00750m}}. Cadw SAM: GM559: Cadair Fawr settlement</ref> |
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==Access== |
==Access== |
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The hill is designated as open country so freely available to walkers. It is readily accessed from the [[A4059 road]] which runs along its northern edge between [[Hirwaun]] and the [[A470 road]] south of Storey Arms. |
The hill is designated as open country so freely available to walkers. It is readily accessed from the [[A4059 road]] which runs along its northern edge between [[Hirwaun]] and the [[A470 road]] south of [[Pen y Fan#Storey Arms|Storey Arms]]. |
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==See also== |
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[[List of Scheduled Monuments in Rhondda Cynon Taf]] |
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==References== |
==References== |
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{{Reflist}} |
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==External links== |
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{{coord|51.7999|-3.4836|type:mountain_region:GB|display=title}} |
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[[Category:Fforest Fawr]] |
[[Category:Fforest Fawr]] |
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[[Category:Rhondda Cynon Taf]] |
[[Category:Mountains and hills of Rhondda Cynon Taf]] |
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[[Category:Mountains and hills of south Wales]] |
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Latest revision as of 18:32, 16 July 2023
Cadair Fawr is a hill in the northern corner of the county borough of Rhondda Cynon Taf, Wales. It lies within the Brecon Beacons National Park and Fforest Fawr Geopark. The 485m high summit at OS grid ref SN 978123 is marked by a trig point. Cadair Fawr is the highest point of a broad ridge known as Cefn Cadlan which forms the northern edge of Cwm Cadlan, a valley which itself runs east-northeastwards from the village of Penderyn. The name Cadair Fawr signifies the 'big chair' whilst Cefn Cadlan signifies the 'ridge of the battlefield'.[1]
Geology
[edit]The summit is formed from Carboniferous Limestone whilst much of the Cefn Cadlan ridge which slopes away to the west is formed from the Twrch Sandstone (formerly known as the Basal Grit), which also dates from the Carboniferous period. A series of minor faults runs northwest to southeast through the hill whilst a few including the Coed Hir Fault run northeast to southwest, paralleling the major fault forming a part of the Neath Disturbance which runs through Cwm Cadlan. Much of the hill's surface is pitted by shakeholes, the larger of which occur on the areas where gritstone forms the surface. Quarries have been opened up in both the limestone and the gritstone over the years though none are now active.[2]
Scheduled ancient monuments
[edit]- Cadair Fawr Round Cairn
- (51°47′57″N 3°29′04″W / 51.7992°N 3.4844°W, OS grid ref: SN977122.) A large cairn, 9m across, near the summit of Cadair Fawr (also sometimes spelled Cader Fawr Round Cairn).[3]
- Pant-y-Gadair Hut Circle Settlement
- (51°48′18″N 3°28′19″W / 51.8049°N 3.4719°W, OS grid ref: SN98612.) A prehistoric hut circle 6m across, with walls of unworked limestone, on the north slopes of Cadair Fawr.[4]
- Cadair Fawr settlement
- (51°47′57″N 3°28′19″W / 51.7993°N 3.472°W, OS grid ref: SN985122) - A group of medieval or later house platforms east of the summit of Cadair Fawr.[5]
Access
[edit]The hill is designated as open country so freely available to walkers. It is readily accessed from the A4059 road which runs along its northern edge between Hirwaun and the A470 road south of Storey Arms.
See also
[edit]List of Scheduled Monuments in Rhondda Cynon Taf
References
[edit]- ^ Ordnance Survey Explorer map OL12 'Brecon Beacons National Park: western area'
- ^ British Geological Survey 1:50,000 map sheet 231 'Merthyr Tydfil' & accompanying memoir
- ^ coflein NPRN: 84644. GGAT PRN: 00743m. Cadw SAM: BR135: Cader Fawr Round Cairn
- ^ coflein NPRN: 84685. GGAT PRN: 02048m. Cadw SAM: BR413: Pant-y-Gadair Hut Circle Settlement
- ^ coflein NPRN: 84653. GGAT PRN: 00750m. Cadw SAM: GM559: Cadair Fawr settlement