A particularly impressive feature of the coastline is the large number of folds that can be seen in the rock. They clearly indicate the tremendous pressures that were once at play here and are the result of the tectonic plate collision. Some of the bedding dips at angles of between 35 degrees and 40 degrees but other examples are almost vertical.
Combe Martin once mined silver for the Crown, as well as lead; iron ore was also worked. Part of a mine adit can be seen in the cliffs on the north-eastern side of the beach. Lime burning was also practised, Combe Martin having more kilns than any other north Devon parish.
This area is a designated Area of Outstanding Natural Beauty, Site of Special Scientific Interest and part of Exmoor National Park.
There is no access to much of the foreshore of this coastline. Please take care when walking along this coastline, the cliffs are dangerous and check tide times in advance. The site can be best viewed from the beaches at low tide or from the South West Coast Path.