It is the largest erratic boulder in the glaciation area of North Europe.

He subsequently collected important data concerning erratic boulders.

Several glacial erratic boulders are also found on the Chase, remnants of glaciation.

The third monument at the same location is the glacial erratic boulder.

The dolmens were constructed from glacial erratic boulders and red sandstone.

A number of large erratic boulders can be found scattered on the island.

Charles Darwin published extensively on geologic phenomena including the distribution of erratic boulders.

Therefore numerous erratic boulders can be found here.

A glacial erratic boulder in a prominent position.

This is named for The Ullstone, a prominent erratic boulder.