This is the Fron-Boeth tunnel, about 200m from the main workings.It was built to connect the Pant Mawr and Fron-Boeth workings to the Croesor tramway, thus removing the need to uphaul material merely to drop it down a double pitch incline on the other side of the ridge. This picture was taken virtually at the collapsed section looking towards the adit, which is visible as a speck of light in the far distance.
This photograph is by Vanoord and was uploaded August 27th 2007. © Vanoord please do not copy or distribute without prior express permission.
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