This area of Kerry has over 120 examples of of rock art, prehistoric rock inscribed symbols. The rock art is difficult to put date on when inscription took place, but is considered to be ate Neolithic 4000 BC, or early Bronze Age 2000 BC in date. It is characterised in this area by cup marks and concentric rings.
On the lower south east side of Knag Hill, overlooking Lough Currane to south, is a stone slab measuring 1.12 m x .68 m x .25 m. It was uncovered in the late 1980's about 100 m south of its present position. The decorated surface, which features some scratches made by the earth-moving machine on discovery, carries two cup-&-rings, a cup & pen-annular ring, seven cup-marks and a forked groove.