Ystradffin is a hill farm set in the North East of Camarthenshire. Owned by Mr Edward Bishop and the farm is managed by Mr Dafydd Thomas and his partner Eleri.

The farming system comprises of 1150 Welsh Mountain Ewes and 250 Greyface Ewes. Dafydd and Eleri have started a pedigree herd of Welsh Black Cattle.

This year a Hydroelectric scheme is being built on the farm for the renewable energy generation.