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Cof Cymru: National Historic Assets of Wales · Wales

Dinorwic Quarry Barracks and 'A' Incline

Llanddeiniolen, Gwynedd, Wales

The record

Designation
Scheduled monument
Site type
Barracks
Period
Post Medieval/Modern
Community
Llanddeiniolen
Unitary authority
Gwynedd
Country
Wales
Coordinates (centre of the scheduled area)
53.12084, -4.11067
SAM number
CN177
Cadw record number
3617

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1896 "Sheet 7. Ordnance Survey of England and Wales." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

There are two sites scheduled under this number: a) the quarry barracks and associated buildings (called the Anglesey Barracks) and b) an incline of the 'A' series with double-track self-acting planes and three brake-drum houses.

a. The barracks consist of two rows of twelve units, the rows approximately 20ft (6m) apart and facing one another. Each unit measures about 20ft x 10ft (6m x 3m) and is divided into two rooms. The larger room, approximately 11ft (3.4m) across, contains a fireplace and a doorway leading into the smaller room. All the roofing slates and timbers have been removed. Two latrine blocks, one to the rear of each barrack block and a small, detached house, possibly accommodation for a foreman or more senior worker which lies to the south-west, are also scheduled.

b. The incline is in three parts, each part with a brake-drum house at the upper end. All have been restored by Gwynedd County Council in the past.

The monument is of national importance for its potential to enhance our knowledge of the slate industry. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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