It has been published so that members of the public are aware of where disused coal tips are, and the work that Welsh Government and our partners are doing in relation to coal tip safety.
Fe'i cyhoeddwyd fel bod aelodau'r cyhoedd yn ymwybodol o ble mae tomenni glo segur, a'r gwaith y mae Llywodraeth Cymru a'n partneriaid yn ei wneud mewn perthynas â diogelwch tomenni glo.