All Deepest underwater caves in France
Ranked by reported survey data.
| # | Cave | Location | Max depth | Source |
|---|---|---|---|---|
| 1 | Gouffre du Petit Saint Cassien | Alpes-Côte d'Azur, France | 403 m | Cave-Exploring World Long Caves Tertiary / aggregate source Provided by: Liste des cavites naturelles les plus longues de France |
| 2 | Rèseau Lot du Bois - Source du pissieux | Auvergne-Rhone-Alpes, France | 185 m | Cave-Exploring World Long Caves Tertiary / aggregate source Provided by: Liste des cavites naturelles les plus longues de France |
| 3 | Émergence du Ressel Also: Ressel | Lot, France | 83 m | plongeesout.ffspeleo.fr Secondary source Provided by: Markus A. Schafheutle |
| 4 | Doux de Coly Also: Exsurgence de la Doux de Coly | La Cassagne, Dordogne, France | 65 m | Grotto Map: Doux de Coly Secondary source Provided by: Grotto Map |