The two-million-year-old natural limestone cave attraction has begun a phased reopening - with tickets available through online pre-booking for only two tours per hour at first.
Owner and charity Buxton Civic Association is repairing a structural fault at the main cafe while visitor numbers are low.
While work is ongoing a temporary cafe at the visitor centre will be serving hot and cold drinks and snacks on a takeaway basis - enjoyed at tables outside.
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With 56,000 visitors a year the cavern has become Buxton’s leading tourist attraction - bringing people from all over the world to boost the town’s economy.
Buxton Civic Association uses its income to maintain 200 acres of the town’s woodland and campaign on local environmental issues.
Chairman Peter Phillipson said: “We’re delighted the public and our members will be able to enjoy the beauties of Poole’s Cavern once more.
“We hope the income from this limited reopening will help us redress some of the financial crisis that we are facing because of its closure during lockdown.
“Our decision was based on careful analysis and planning to apply government and industry advice to the unique conditions of our cavern and visitor centre.
“The health and safety of our staff and visitors was at the forefront of our planning and the board are satisfied appropriate measures can be taken to ensure this safety.”
The Cavern - named after a 15th-century bandit - enables visitors to explore geology and history from Neolithic times through Roman Britain to the Elizabethan age in a unique time tunnel.
To book a place on the tour click HERE.