•
Carnavanaghan,
Passage tomb: Vicar's Cairn, grid ref: H9141 3974 •
Carran,
Standing stones (remains of
megalithic tomb?), grid ref: H9080 1566 •
Carrickananny,
Souterrain, grid ref: H9919 2884 •
Carrickastickan,
Rath, grid ref: J0240 1468 •
Carrickastickan,
Rath, grid ref: J0155 1444 •
Carrickastickan,
Rath and
souterrain, grid ref: J0237 1443 •
Carrickastickan,
Rath, grid ref: J0264 1400 •
Carrickastickan, Round
cairn, grid ref: J0238 1535 •
Carrickbroad, Round
cairn with
cist: Cofracloghy, grid ref: J0383 1477 •
Carrickbroad,
Cashel and
souterrain: Issacashel, grid ref: J0506 1468 •
Carrickbroad,
Rath, grid ref: J0408 1433 •
Carrickcroppan, Cross-carved boulder, grid ref: J0333 2819 •
Carrigans,
Cashel, grid ref: H9761 1750 •
Carrive,
Cashel: McPartland's Fort, grid ref: H9774 1775 •
Cashel,
Cashel: the Relig, grid ref: H9036 3665 •
Cashel, Rectangular
earthwork: the Relig, grid ref: H9720 1943 •
Castleraw, Castle and enclosure, grid ref: Area of H927 529 •
Charlemont,
Artillery fort:
Charlemont Fort, grid ref: H8538 5578 •
Clanrolla,
Mound, grid ref: J0744 6266 •
Cloghinny, Cross-carved boulder, grid ref: J0254 1767 •
Clonlum,
Court tomb: North Cairn (area surrounding the state care monument), grid ref: J0447 2136 •
Clonlum, Round
cairn with
portal tomb: South Cairn (area surrounding the state care monument), grid ref: J0461 2063 •
Clontygora,
Megalithic tomb, grid ref: J0980 1974 •
Clontygora,
Megalithic tomb, grid ref: J0962 1834 •
Coney Island,
Prehistoric settlement, motte and tower: Coney Keep, grid ref: Area of H938 640 •
Corfehan, Tynan Island Cross, grid ref: H7578 4168 •
Corliss,
Rath and
souterrain: Corliss Fort, grid ref: H8928 1689 •
Corporation (Armagh),
Medieval dry-built masonry well, grid ref: H8772 4504 •
Corporation (Armagh),
Windmill stump, grid ref: H8701 4517 •
Corran,
Standing stone: the Grey Stone, grid ref: H9085 3524 •
Corr and Dunvally,
Rath and
artillery bastion, grid ref: H8482 5524 •
Crann,
Rath, grid ref: H7725 2585 •
Creevekeeran,
Creevekeeran Castle, grid ref: H7847 3710 •
Creeveroe,
Crop-mark (Parallel linear ditches), grid ref: H8393 4477 to H8410 4527 •
Crunagh,
Rath, grid ref: H9770 3439 ==D==