Under the valley are a network of caves, taking water from the Mendip ridge above to Springs in the valleys below. Many have been discovered by cavers, and digging out to find new routes is ongoing.
Please see links below for more information:
- Caves of Harridge Woods West
- Caves of Cockles Wood
- Local Caving Group – Cerberus Spelaeological Society
- CSC – Harridge Wood Area