Inishowen Heritage Inishowen Heritage Trail Muff Muff Inishowen, County Donegal, Ireland Click here Learn More Muff is Activities Cooley Monastic Site Cooley Malin Stables Malin Cooly Stables Cooly , Moville Moville Shore Walk Moville Explore Heritage Sites of Muff The Stone Row Ballymagaraghy, Carrowmenagh, Megalithic Monument, Ardmore Gallan Standing Stone Muff, Standing Stones, Stone Art Carrickabraghy Castle – The Isle of Doagh Castle, Isle of Doagh, Stone Building The Morton God Dolmen Iskaheen, Megalithic Monument, Northburgh Castle Greencastle, Stone Building Carndonagh Carndonagh