Frongoch Lead Mine (Wemyss). Lead mine in Devil's Bridge.

Images shared with the Wicipics project are available for reuse on a Creative Commons CC BY-SA 3.0 Licence.
https://creativecommons.org/licenses/by-sa/3.0/deed.en

Picture 1, by Chris Popham: https://commons.wikimedia.org/wiki/File:Frongoch_Lead_Mine_(Wemyss).jpg

Picture 2, by Chris Popham: https://commons.wikimedia.org/wiki/File:Frongoch_Lead_Mine_(Wemyss)_(1).jpg

Picture 3, by Chris Popham: https://commons.wikimedia.org/wiki/File:Frongoch_Lead_Mine_(Wemyss)_(2).jpg