Inishowen Heritage Inishowen Heritage Trail Dunaff Explore Heritage Sites of Dunaff 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