Clearwell Caves Ancient Mine / Quarry View all content for Clearwell Caves

Have wanted to visit this place for some time and today was the day. “Clearwell Caves are part of an extensive natural cave system that became partially filled with iron ore 180,000,000 years ago. No one knows when mining for iron ore first began in the Forest of Dean, but the Caves are one of the earliest mines in the British Isles, begun well over 4,000 years ago, when they were first worked for coloured iron oxide or ochres to use as pigment.” (information taken from Visitor’s Guide) The temperature inside the caves is 10 degrees (which is also the temperature at which spring water emerges from the ground) so take an extra layer if you go on a warm day. We only went to the upper level which goes down 100 feet – it is possible to descend to a much deeper level but this requires hard hats, protective clothing and a caving guide. The caves are a series of caverns known as churns, linked together by tunnels, the largest of which is Pillar Churn named after a large column of stone in the centre. The reservoir in this cavern controls the water that seeps through a disused shaft in the roof. The large flat roof is composed of a very solid rock known as Whitehead Limestone, referred to as ‘lidstone’ because it forms the roof of most of the caverns. There is a fine example of 20th century cave art on the wall in this cavern – a skeleton painted by students in the 1960s. Clearwell Caves are home to a variety of bats including the greater horseshoe, natterers, and long-eared but the most numerous is the lesser horseshoe (ref: Visitor’s Guide). None made an appearance today. Also found here is the ‘Meta menardi’ or European Cave Spider (an orb-weaving spider) – didn’t see one of those either. Just as fascinating is the nearby ‘Secret Forest’ which is full of ‘scowles’ ie ravines and rock formations overhung with the tree roots of ancient yews. Thought to be where iron mining began, just outside the wood there are some replica Iron Age round houses which are definitely worth a visit. http://secretforest.co.uk/ A short distance up the road is Puzzle Wood, similar to the Secret Forest but far more disorientating, like caves above rather than below ground, very twisty and dark (believed to have inspired Tolkien’s Middle Earth) again the temperature dropped considerably - almost like being in caves. Unfortunately, today I left my camera at home so no photos except the ones on my friend’s camera which I don’t have access to as yet.

Posted by tjj 1st July 2013ce Edited 3rd July 2013ce

Comments (2)
I enjoyed my visit to Clearwell tjj and really liked Puzzelwood. A good way to spend a day in the lovely Forest of Dean!	Posted by CARL 2nd July 2013ce
Thanks for your comment Carl. Yes, I forgot to mention the Forest of Dean which really does feel like another country. Only my second visit as am reliant on friends for transport - I'm not sure how you would get to Clearwell Caves without a car.	Posted by tjj 2nd July 2013ce
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