
A dam had been constructed in 1840 in the valley of
Cwmfelin to provide a continuity of water supply for the water-wheels of the
Abbey Ironworks, and below this dam the river Clydach tumbles over the falls
just above the site of the foundry and woollen mill. The Cwm Clydach pond is
still there today, though it's water level
is considerably reduced, and the pond is much silted up.

This woollen mill was the oldest in Glamorgan
at the time it closed in 1974. It produced check blankets, tweeds, travelling
rugs, Welsh
![]() |
The
woollen mill, clinging to the side of the valley, barely
visible through the trees on the opposite bank of the
river. The falls are just visible (centre) through the
trees. |
shawls, socks, stockings, knitting wools and commission spinning. Its
machinery was eventually bought by Swansea Council and installed in
1974 in Swansea Industrial Museum, where it is still working today.
Near Cwm Clydach pond, we can see a fine old mansion, Glynfelin House,
once owned by the Gibbins family.

