CPAT logo
Back Home
Clwyd Metal Mines
Mines index
Mine map

Clwyd Metal Mines Survey

Cwm Mawr

Cwm Mawr (also known as Gomerian Level shafts) lies in the community of Treuddyn in the county of Flintshire. It is located at Ordnance Survey national grid reference SJ26005900. The mine is recorded in the CPAT Historic Environment Record as number 104224 and this number should be quoted in all correspondence.

Lead (19th century)

Cefn-y-fedw Sandstone overlying Carboniferous Limestone.

The Gomerian Level unwatered the Pool Park and South Minera Mines. It was driven from west of Cae-llwyd reservoir (SJ27004780) possibly from the shaft mound at SJ26504780 and continued in a north-westerly direction almost following the line of South Minera Vein. Adit shafts along the vein are at SJ26304835, SJ26254850, SJ26154865, SJ26104880 and SJ25005900.

No evidence.

No evidence.

No evidence.

Other features
The shaft at SJ25005900 had a small shelter and stores on site.

This HTML page is reproduced from the Powys and Clwyd Metal Mine Surveys which were undertaken between May 1992 and December 1993 by Mark Walters and Pat Frost of the Clwyd Powys Archaeological Trust with financial support from Powys County Council, Clwyd County Council and Cadw: Welsh Historic Monuments. Further information about this site is available in CPAT's Regional Historic Environment Record.
Page produced by Rachel Stebbings and Chris Martin.

Privacy and cookies