can not find any evidence to support the fact that this is a cairn but...sitting on the eastern slope of Tolborough Tor is what looks like a natural rock formation. I only went over to it because I had seen a fox emerge from within it. Standing on top I noticed three stones running around the back of it that looked like ones I have seen at other cairns. (see photo)
Seeing that the cairn on top of the tor is built into a natural feature this could possibly be the same..but smaller.