Ancient Monuments

History on the Ground

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Cloddfa'r Lon Slate Quarry

A Scheduled Monument in Llanllyfni, Gwynedd


Latitude: 53.0565 / 53°3'23"N

Longitude: -4.2357 / 4°14'8"W

OS Eastings: 250263

OS Northings: 353364

OS Grid: SH502533

Mapcode National: GBR 5K.CHKZ

Mapcode Global: WH43T.XF6N

« Listing Details

Entry Name: Cloddfa'r Lon Slate Quarry

Scheduled Date: 24 June 1998

Source: Cadw

Source ID: 3962

Cadw Legacy ID: CN302

Schedule Class: Industrial

Category: Slate mill

Period: Post Medieval/Modern

County: Gwynedd

Community: Llanllyfni

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