Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Tunnel where fire was used to weaken the rock, with interpretative signingFurther Information
NPRNTeitlMath O SafleCasgliadauDelweddau
NPRN33779TeitlGreat Orme Copper Mine; Ty Gwyn Copper MineMath O SafleMWYNGLAWDD COPRCasgliadau133Delweddau64