Welcome to the new home of the compilation of long and deep caves of the world compiled by Bob Gulden for the Geology and Geography Section of the National Speleological Society. Bob worked tirelessly for decades to maintain these lists and I hope to keep his important legacy alive.
Please be patient as I get the databases moved over and process the updates and corrections that have been coming in. These can be sent to Cavemonpaul at Hotmail.com. Each list will have the date it was updated at the top.
Cave locations will not be given out, so do not ask. If you would like to donate to help keep this page going and to improve the features, click the button.
World Longest Caves (over 10km) – Updated 02/21/2024
World Deepest Caves (over 600m) – Updated 02/21/2024
World Longest Underwater Caves (over 1km) – Updated 02/21/2024
World Longest Caves by Country – Updated 4/02/2023
World Longest Gypsum Caves – Updated 4/02/2023
World Longest Lava Tube Caves – Updated 12/14/2022
World Longest Piping Caves – Updated 01/08/2024
World Longest Sea Caves – Updated 10/16/2023 (format corrections)
World Longest non-traditional caves (conglomerate, chalk, ice, sandstone, quartzite, salt, etc.) – – Updated 1/13/2024