The 'Newgrange of the south east' as it has been called by the archaeologist currently excavating this robbed-out passage tomb, Knockroe turned a lot of accepted notions concerning the extent of the Neolithic passage tomb culture around. Here, over one hundred miles south of the Boyne Valley sites with their magnificent carvings and astronomical significance, is a large passage tomb with two chambers with astronomical alignments and wonderfully carved megalithic art.

The westernmost passage faces the sunset of the winter solstice, though the passage orthostats lean inwards heavily, thus modifying the beam that would strike the backstone on the shortest day of the year.

This is a late evening sunset in winter, looking out from the rear of the chamber towards the sinking sun.

This large stone to the left of the backstone is literally covered in a 'comb-like' mosaic of carvings, reminiscent of the type of rock art evident in the Gavirins passage tomb in northern Brittany, France.

The chamber orthostat immediately preceeding the above stone bears concentric circles with a central dot on its side.

Near the top of this left-hand passage orthostat we find a ring of cup marks with a central cup, two very eroded spirals can barely be seen above.

On this righ-hand passage orthostat (which is difficult to access due to the leaning passage) we can see an arrangement of small cup marks and curvilinear designs.

Near the base of the backstone of the chamber, two spirals survive quite intact, many other carvings on this stone are barely distinguishable due to weathering.