Mewn argyfwng ffoniwch 999 gofynnwch am yr heddlu ac yna Achub Mynydd.
Walking the Todds
A walker's guide to 50 of the highest summits in Wales with Todd the Border Terrier leading the way (assisted by his bag carrier Brian Witts)
Mae Brecon MRT yn Elusen gofrestredig, Rhif 517732.
Dilynwch ni ar y cyfryngau cymdeithasol i gael yr hysbysiadau diweddaraf
