Information, history photographs (current and archive) and documents for Gelli-Grin Slate Mine.
To view the location details and the Google Map please sign in or register an account.
Sorry, there are no documents currently available. If you have any documents you can share please click the 'Upload a Document' tab.
Gelli-Grin Slate Mine belongs to the Blaenau & Northern Merioneth/Meirionnydd region.