In reply to Mark Kemball:
> I quite like these structures on the beach, interesting to look at and gone at the next high tide. The ephemeral nature adds to their appeal.
We saw lots of little cairns in one of the other big caves adjacent to the King's Cave on Arran last March. It gave the place a kind of Buddhist vibe. I'm sure it would have calmed Robert the Bruce down a bit while he seethed about the English.