Ruabhal photo
Ruaval from the lower cairn
I think that this image, in conjunction with [[2537563]], is conclusive evidence that the trig point is at the summit of the hill. Cairns, especially on hills which are not major attractions for hillwalkers, are often in locations prominent from below rather than at true summits. This may explain the position of these two cairns.
© David Purchase and licensed for reuse under this Creative Commons Licence