Penygarreg Dam, Elan Valley
Elan Valley reservoir
Foel tower
Pen-y-Garreg Dam Elan Valley
Penygarreg reservoir, Elan Valley
Garreg Ddu, Elan Valley
Graig-goch reservoir, Elan Valley
Men and women in buses and cars visiting a...
Graig Goch Dam Elan Valley
Caban Coch dam, Elan Valley
Elan Valley
Craig Coch dam, Elan Valley
Graig Goch reservoir, Elan Valley