Along the Lapstone Creek in the Lower Blue Mountains is a large rock platform, which has multiple sets of Aboriginal axe grinding grooves (at least ten).
The grooves are near a number of natural potholes.
There is one small water channel which may be natural, but could be an Aboriginal grooved channel.
A few hundred metres upstream is another, single grinding groove near a couple of potholes.
Much further upstream are a couple more grinding grooves.









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