History in Structure

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Western Cavern north of the path near main east vista fountain

A Grade II Listed Building in Llandwrog, Gwynedd

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Latitude: 53.0734 / 53°4'24"N

Longitude: -4.3014 / 4°18'5"W

OS Eastings: 245917

OS Northings: 355381

OS Grid: SH459553

Mapcode National: GBR 5G.BKKM

Mapcode Global: WH43S.W0WP

Entry Name: Western Cavern north of the path near main east vista fountain

Listing Date: 8 September 1998

Last Amended: 30 September 1999

Grade: II

Source: Cadw

Source ID: 20486

Building Class: Gardens, Parks and Urban Spaces

Location: Situated near the end of the east vista and to the west of the adjacent cavern; approximately 210m east of the house.

County: Gwynedd

Community: Llandwrog

Community: Llandwrog

Locality: Glynllifon

Traditional County: Caernarfonshire

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Possibly the work of the 3rd Lord Newborough c1840 contemporary with his conversion of the adjacent cavern from a former ice-house. This cavern may have been a fernery.

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. Influence for some of the garden features came from the family’s grand tours.


Set back from the path and composed of a large, semicircular forecourt cut into the side of the valley. It is surrounded by a stone revetment wall and to the centre is a round-arched entrance. Now blocked.

Reasons for Listing

Included as one of the many earlier C19 garden features within the especially fine grounds at Glynllifon.

Other nearby listed buildings

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