Chwarel Gallt y Fedw - Lawr i`r Gwaelod.

[@garethifan1034]

Llefydd peryglus - Dioch am eu dangos!

[@ynfyelfen5267]

Ia, wir! Diolch am wylio.

[@akirk1573]

Welsh Black Slate ?

[@ynfyelfen5267]

Yes. Locally we call it `y lechen las`, which means `the blue slate`, however, it does loose its bluish colour when exposed to the elements for a few years.

[@akirk1573]

@@ynfyelfen5267 that is good to know. Yn Fy Elfen. thanks for the response !