Dyffryn Ewias - Tir ar y Ffin

Llyfr am Gwm Llanddewi Nant Hodni yw hwn. Y cwm hwn, a adnabyddir hefyd fel Dyffryn Ewias, yw'r mwyaf o holl gymoedd ardal Mynydd Du, sy'n ffurfio ymyl dwyreiniol Par Cenedlaethol Bannau Brycheiniog. Elusen gadwraeth adeiladau yw'r Landmark Trust.

This is a book about the Llanthony Valley. This valley, also known as the Ewias Valley, is the largest of all the valleys of the Black Mountain area, which forms the eastern edge of the Brecon Beacons National Park. The Landmark Trust is a building conservation charity.