The features include sorted nets, a possible cryoplanation terrace and stone-banked terraces. The remnant periglacial forms owe their existence to a resistant cap of sandstone on the plateau surface which has weathered to form a frost susceptible
Displacements were monitored at 132 points using plastic inclinometer tubes, wooden dowel pillars and painted stones. Most of the activity was confined to the upper 30 cm of soil, where the rate of surface movement ranged from zero to 1.1 cm/year