Cof Cymru: National Historic Assets of Wales · Wales
Stone-walled leat adjoining north-east side of Watermill at Glynllifon
Llandwrog, Gwynedd, Wales
The record
- Designation
- Listed building, Grade II
- Broad class
- Domestic
- Date of designation
- 8 September 1998
- Locality
- Glynllifon
- Community
- Llandwrog
- Unitary authority
- Gwynedd
- Country
- Wales
- Coordinates
- 53.07249, -4.30733
- Cadw reference
- 20444
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesLlyfrgell Genedlaethol Cymru – The National Library of Wales
Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).
Cadw's description
Location
The watermill is situated below the west drive to south-east of the stables; the leat is fed by the Afon Llifon and is culverted under the drive.
History
The leat is contemporary with the watermill which is earlier C19; it may be contemporary with the rebuilding of the house. As built it was an estate water mill providing flour etc. but turbines were later installed so that it could provide electric power for the immediate estate.
Glynllifon was the seat of the Wynn family and Sir Thomas John Wynn became the 1st Lord Newborough in 1776. The house was rebuilt after a fire 1836-48 by Edward Haycock, architect of Shrewsbury.
Exterior
Deep stone-walled and cement-rendered leat curves around from the west drive to reach wheel pit powering the overshot waterwheel. On the north-west side is a square reservoir with its own iron sluice gates. Close to the wheel is the surviving paddle for operating the main sluice, part of which remains. Beyond this the leat steps down and runs the remaining distance within a slate-lined trough.
Reason for designation
Included for group value with the Watermill as an unusually well-preserved example of a leat serving an estate mill.
Nearby in the register
- Watermill to south-west of Stables including archway into mill yard and attached L-shaped rangeAgriculture and Subsistenceunder 1 mi
- Stone Bridge to west of WatermillGardens, Parks and Urban Spacesunder 1 mi
- Stone Bridge on the main drive south of the Stables at GlynllifonDomesticunder 1 mi
- Hay-barn to south of WatermillAgriculture and Subsistenceunder 1 mi
Other entries of the same register within about three miles of this one, by straight line.