Bulletin of the National Speleological Society - ISSN 0146-9517
Volume 21 Part 1: 33-42 - January 1959

A publication of the National Speleological Society

For the Record
T.R. Shaw

Abstract

The depth and lengths of caves are controversial subjects. To date the greatest known depth is 3680 feet at Gouffre Berger in France. Fourteen other European Caves are over 1400 feet deep. In America the deepest cave is Neff Canyon Cave, 1186 feet, followed closely by Carlsbad Cavern, 1070 feet. The longest mapped cave is Hölloch in Switzerland, 37.6 miles. Mammoth Cave in the United States has 33 miles mapped and has a total passage length in the order of 100 miles. Crystal Cave, Kentucky, has about 23 miles mapped and is a rival to Mammoth in size.

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