Situated in Old Hill, Chislehurst there are over 20 miles of caverns and tunnels cut out of the chalk. Experienced
Guides take you on a 45 minute lamplit tour. These leave the main entrance every hour on the hour.
Open 10am-4.pm, daily during school holidays, otherwise Wed-Sun only. Admission, £5 adults, £3 Under 16s and OAPs.
Under five's admitted free of charge.