420 cave dive sites in Europe & Mediterranean.
Biggest countries: Greece (87), France (83), Italy (70), Spain (60) and Croatia (24).
Recorded maximum depths range from 2 m to 249 m (188 of 420 sites have a depth).
By level: 94 beginner, 35 intermediate, 62 advanced and 18 technical.
All 11 cave dives in United KingdomDive sites in United Kingdom
Species confirmed at these sites by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.