DiveTripPlanner
Sign in

France

10 regions · 137 sites · down to 315 m

France offers a huge choice of limestone karst with cave dives for every taste. The springs of the Lot and the Charente lie in the south-west, the Ardèche, Languedoc and Roussillon in the south, and the Jura, Burgundy, the Barrois and the Vercors in the east. You dive resurgences, short sumps with dry sections and carries, and in Provence submarine karst rivers and sea caves. The water is cold and the springs react strongly to rain, so good planning is half the job.

Map

Cave Fill station Closed

Not to be missed

  • Émergence du Ressel →

    The best-known spring in the Lot, on the Célé at Marcilhac-sur-Célé, and a regular stop for full-cave divers from all over Europe; with a maximum depth of 83 m, the deep section calls for trimix.

  • Goul de la Tannerie →

    A deep spring (246 m) in the Ardèche gorge, only for experienced trimix teams; don't breathe the air in its air bell, as CO₂ collects there.

  • Exsurgence de Gourneyras →

    A large exsurgence in Languedoc (105 m) reached via a track owned by EDF; keep the track clear, come with few cars and don't camp or light fires there.

  • Exsurgence de Port-Miou →

    A submarine karst river in the Cassis calanque with water of ~16 °C; the river and dam are reserved for research and exploration, so arrange permission in advance or join an FFESSM Provence discovery day.

  • Résurgence de l'Orbe (Grottes de Vallorbe) →

    The Orbe resurgence at Vallorbe, just across the border in Switzerland: cold water (4–13 °C), diving at your own risk, and after the dive you can walk straight into the dry Grottes de Vallorbe.

  • Lac des Grottes de Choranche →

    You dive the lake in the Choranche show cave at cavern level with Vercors Plongée: a good introduction if you don't yet hold a full-cave certification.

Regions

Good to know

  • Access differs per spring. Many springs are drinking-water catchments or on private land: ask the mairie, the owner or the local caving committee (CDS) for permission beforehand. Several are closed, such as the Fontaine de Vaucluse, the Source du Lez, the Fosse Dionne, Font Estramar and the Doux de Coly.
  • In France, cave diving falls under two federations: the FFS (École Française de Plongée Souterraine) and the FFESSM. The FFS site plongeesout.ffspeleo.fr describes hundreds of sumps with access notes. The FFS offers foreign nationals a temporary 30-day licence with insurance included; some sites are for FFS members only.
  • The water is cold: from 5–7 °C in the Vercors to about 11–13 °C in most springs. A drysuit is standard. Only the coastal springs at Cassis are slightly warmer at ~15–16 °C.
  • Trimix and oxygen are hard to get in many regions. There are fill stations in the Lot (Gramat, Cambes), at Vercors Plongée, in Port-Vendres and in Salins d'Hyères; elsewhere, bring your own gas, a booster and CCR absorbent, or ask local clubs.
  • Air bells and dry sections between sumps often hold bad air with high CO₂ or low oxygen, especially in the Ardèche and Roussillon. Don't just breathe that air.

Tips for safe and enjoyable diving

  • Plan around the rain. After rain or snowmelt the springs quickly turn brown and powerful, especially with the autumn storms in the south (épisodes cévenols). Dive after a dry spell and check the water level on vigicrues.gouv.fr.
  • In an accident, call 112 and say it is a cave-diving accident; 112 brings in the Spéléo Secours Français, which has its own diving teams. Also save DAN Europe (+39 06 4211 5685) in your phone.
  • Before your trip, find out where the nearest hyperbaric chamber is and whether it is open 24/7. Some chambers only work on weekdays; 112/SAMU decides where you go.
  • Respect landowners and local rules: park tidily, light no fires, don't camp at the spring and report your dive where asked. Good relations keep the springs open for everyone.
  • Plan rest days. Show caves such as Choranche, Bèze and the Grottes de Vallorbe, or the Cosquer replica in Marseille, are a good alternative when the water is too high.

Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training.

News

News articles that mention one of the caves in this region, collected automatically and not checked by us.

Access and rules change: check what applies locally right before your trip. Source: GDELT Project.

Searched automatically, last on 5 Oct 2026.

Plan a cave diving trip: France

Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.

Start planning