Adrodd fel Amhriodol
Testun Gwreiddiol (Anodiad: EAW043876 / 1101867)
'
Aldenham Reservoir
Built by the Grand Union Canal Company to control the water levels in the River Colne following the construction of the Grand Union Canal. It was hand dug by French prisoners of war between 1795 and 1797.
It is the source of the stream, Tykes Water. '
