Geology
Dartmoor is the largest expanse of unglaciated upland in Great Britain and the largest granite surface in England. It is exceptionally important for the study of these and related earth science features. There are 21 geological Sites of Special Scientific Interest (SSSIs) and approximately 35 Regionally Important Geological Sites (RIGS) on Dartmoor. The Biodiversity Action Plan includes geological targets in a Habitat Action Plan for Rocks (which includes tors, clitter slopes, quarries, caves, and mines). Read the Dartmoor Habitat Action Plan for Rocks 
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The Dartmoor National Park Authority organised an exhibition called Dartmoor Rock in 2003 with English Nature and the Devon RIGS Group. This was visited by thousands of people and the material is now available online at Dartmoor Rock.
You can find out more about Dartmoor’s geology and landforms by reading the Geology and Landform factsheets and detailed geological information about the Meldon area is available from our online Case Study.
