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Blorenge
Blorenge from Abergavenny, Monmouthshire - geograph.org.uk - 84043.jpg
Blorenge from Abergavenny
Highest point
Elevation 561 m (1,841 ft)
Prominence 134 m (440 ft)
Parent peak Coity Mountain
Listing Dewey, HuMP
Geography
Location Monmouthshire, Wales
Parent range Brecon Beacons
OS grid SO269118
Topo map OS Landranger 161

Blorenge or sometimes The Blorenge (/ˈblɒrɪn/; Welsh: Blorens) is a prominent hill overlooking the valley of the River Usk in Monmouthshire, southeast Wales. It is situated in the southeastern corner of the Brecon Beacons National Park. The summit plateau reaches a height of 1,841 feet (561 m).

Blorenge overlooks the market town of Abergavenny and the villages of Llanfoist and Govilon in the Usk Valley to the north. At the foot of the mountain lies the Monmouthshire & Brecon Canal. It drops away steeply to the northwest into Cwm Llanwenarth. To the south, gentler slopes fall away to Blaenavon at the head of the Lwyd valley. Prominent peaks seen from the Blorenge include the Skirrid to the east of Abergavenny and the Sugar Loaf to the north.

Blorenge is composed in layer-cake fashion of a number of different rock types. Its lower slopes are formed from the sandstones and mudstones deposited during the Devonian period and known collectively as the Old Red Sandstone. Its higher reaches are formed from a suite of mudstones, limestones and sandstones of Carboniferous age. The summit plateau is formed from coarse sandstones that lie at the boundary of the Millstone Grit and the Coal Measures. All of these beds tilt south-westwards into the South Wales Coalfield basin.


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