This prehistoric looking beast is an eroded outcrop of Ashover grit at the top of Black Rocks above Cromford (SK293558). The Black Rocks site was mined for lead, the spoil on the scree slope leading up to Black Rocks supports many interesting lead tolerant plants (leadworts). The scree slope is an ideal place to search for a variety of rocks and minerals. Other interesting habitats can be explored from Black Rocks, since it is near the boundary between limestone and gritstone. Cromford Moor has heather moorland and various types of woodland.
From Black Rocks we can see the huge outline of Dene Quarry. It produces crushed limestone for use on roads and in concrete.
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