The magnificent Salt Cellar Boulder stands on Derwent Edge, high above Ladybower Reservoir. It is one of the many points of interest on our ‘Derwent Edge and Hills around Ladybower‘ guided walk. It is gritstone and part of the long ridge of stone known by geologists as The Chatsworth Grit that runs down the east side of the Peak District. Stanage Edge, Millstone Edge, and Curbar Edge are all the same type of stone. The stone was formed around 320 million years ago when the area was in a huge river delta. The grit was washed down the river from mountains further north and deposited in a … Continue reading Salt Cellar Boulder