A horizontal lead miners’ adit (a level tube driven horizontally into the slope) leads to the cavern itself, a limestone cave, 200 metres below earth. Because the small adit is always flooded, entrance to the cave is only possible by boat after descending a lengthy stairway. The cavern opens up at the end of the adit, featuring fluorspar veins, stalactites and stalagmites, and the “Bottomless Pit.”
Colchester Zoo
During the February Half Term, Colchester Zoo will honour the Zooper Heroes and their crucial role in the well-being of the zoo’s animals on-site and preserving species in their natural habitats!
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Opening Hours
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Tue:
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Sun:
9:30 am–4 pm
9:30 am–4 pm
9:30 am–4 pm
9:30 am–4 pm
9:30 am–4:30 pm
9:30 am–4:30 pm
9:30 am–4:30 pm
Amenities
Wheelchair Access
Parking
Toilets
Food & Drink
Description
Contact Information
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