Cairnbaine, also called Tiredigan Court Tomb, is a court cairn and National Monument in County Monaghan, Ireland.

[1][2] Cairnbaine is located 2.9 km (1.8 mi) southwest of Three Mile House.

[3] Court cairns are the oldest kind of megalithic monument in Ireland, being built from 4000 BC onward.

The gallery is exposed and one roof slab is in place.

In front of the gallery are court stones and the remains of a façade.