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Mynydd y Garreg Tower

A Grade II Listed Building in Whitford, Flintshire

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Latitude: 53.2943 / 53°17'39"N

Longitude: -3.3013 / 3°18'4"W

OS Eastings: 313362

OS Northings: 378269

OS Grid: SJ133782

Mapcode National: GBR 5ZDB.2T

Mapcode Global: WH76J.8G6D

Plus Code: 9C5R7MVX+PF

Entry Name: Mynydd y Garreg Tower

Listing Date: 22 October 1952

Last Amended: 25 May 2001

Grade: II

Source: Cadw

Source ID: 14876

Building Class: Industrial

Location: Located on top of the hill in Coed y Garreg woods at the highest point in the parish. Accessible by footpaths from the S and W.

County: Flintshire

Town: Holywell

Community: Whitford (Chwitffordd)

Community: Whitford

Locality: Garreg

Traditional County: Flintshire

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Reputed to be a Roman pharos but there is no evidence to support this. Probably early C17 and used for various functions. It was perhaps built as a windmill and is labelled as such on a Mostyn estate map of 1732. The structure is also described as an unlit maritime beacon, shown on Williamson's chart of 1766, and as a watchtower to look out for pirates. The arrangement of small square openings on the N side, overlooking the Dee estuary, might correlate with this latter theory. It was restored and converted to a picturesque folly in 1897 by Baron Mostyn.


Ruins of a circular tower of rubble stone which diminishes in girth by stepping in 3 times. The top appears to have been levelled-off to make parapets, with coping stones on edge. Doorway to S side with dressed stone jambs, mainly missing to L. The doorhead is missing but a dressed stone tablet has been inserted above which reads 'This Roman pharos was restored by Llewelyn ... Baron Mostyn in commemoration of the 60th year of the glorious reign of Victoria, Queen and Empress, June 20th 1897'. The 2nd stage has rectangular openings to the N and NE sides. Both have lost their heads but a timber lintel has been inserted above the former. Between these openings to the 3rd stage is a recess. At the top, around the N half, are the remains of 4 small square openings with stone sills and lintels (some lintels missing), possibly look-out holes.


The doorway has splayed jambs and the walls are very thick. To the E and W sides of the 1st stage are pairs of very deep sockets, but the opposing pairs are not aligned with each other. Further sockets and recesses to upper stages. There was formerly a staircase.

Reasons for Listing

Listed as an early and unusual structure of unclear function, latterly restored as a Victorian folly.

Recommended Books

Other nearby listed buildings

  • II Limekilns
    Located in woodland just N of a footpath which leads E from Gelli to the Mynydd y Garreg tower.
  • II* 1 Gelli Fawr
    On the S side of a lane which runs NW from a roundabout on the A5151. The house, now divided, is set back from the road with long front gardens. To the rear, a boundary wall divides the rear gardens
  • II* 2 Gelli Fawr
    On the S side of a lane which runs NW from a roundabout on the A5151. The house, now divided, is set back from the road with long front gardens. To the rear, a boundary wall divides the rear gardens
  • II Plas Uchaf Bach
    Located on the S side of a lane running NW from Whitford village, at a triangular road junction. The lane to the N runs past Plas Uchaf Farmhouse to Tre Mostyn.
  • II* Plas Uchaf
    Set down and on the W side of the lane which runs N from Whitford to Tre Mostyn.
  • II Cart-Shed at Plas Uchaf
    The rear of the building runs alongside the road, whilst the front faces E into the farmyard. The house is on the opposite side of the road to the W.
  • II Barn at Plas Uchaf
    The farmyard is on the E side of the lane, opposite the house to the W. The barn is at right angles to the road in the centre of the farmyard complex.
  • II Pennsylvania Lodge
    At the S entrance to Mostyn Park approximately 300m NW of Whitford Church on the N side of a minor road between Whitford and Tre-Mostyn.

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