Gilwern Hill, Powys

Gilwern Hill is a hill about 3 mi / 5 km southeast of Llandrindod Wells in the county of Powys, Wales.

Not to be confused with Gilwern Hill, Monmouthshire.
View looking across Gilwern Hill from the west

Geology

The hill is composed from a range of lower and middle Ordovician volcaniclastic rocks which form a part of the Builth Inlier. Palaeontologists Pete Lawrance and Brian Beveridge have spent 30 years examining fossils from a privately owned limestone quarry on the hill. Amongst fossils so far identified at this location are the trilobites Meadowtownella, Bettonolithus, Protolloydolithus and Anebolithus together with Conulariida, Iocrinus, Clonograptus and starfish [1]

Stone rows

There are two prehistoric stone rows at the southern end of the hill, each with a large stone, more than 2m high, at one end.[2]

References
  1. Old as the Hills website
  2. "Clwyd Powys Archaeological Trust: Prehistoric Funerary and Ritual Monuments in Radnorshire". Archived from the original on 2011-01-11. Retrieved 2010-07-22.

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