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 Standing Stone Ballymagaraghy, Carrowmenagh, Standing Stones 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