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Émergence de Bourne

Vercors · about 30 km from Saint-Jean-en-Royans

Émergence de Bourne

Closed to divers

Diving banned: the spring is tapped for drinking water.

  • Max depth32 m
  • CertificationFull cave
  • SpecialExperienced divers
Directions

Diving and fills

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Now at Émergence de Bourne

Status
Closed

What it looks like

All 1 videos and posts

Videos and posts

From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.

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Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.

The dive

Explored from 1961 to 1982: Grenoble divers came in 1961–1962, step-by-step extensions followed in 1973–1981, and in June 1982 the terminal sump was passed.

Profile and sections

Explored from 1961 to 1982: Grenoble divers came in 1961–1962, step-by-step extensions followed in 1973–1981, and in June 1982 the terminal sump was passed.

Depth and profile
Wet duck after 50 m · S2 20 m · S3 from 170 m: 420 m of passage at -15 · S4 ~30 m · S5 30–40 m into a lake 15 m across · S7 (S6 at low water) drops almost vertically to -32 m · terminus in an air bell 2,340 m from the entrance (1982)
Configuration
Not applicable: diving banned.
DPV: Not DPV-suitable (estimate)
Off limits.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveConfiguration unknown — research beforehand · doesn't decide who may dive
  • Whole caveGoes down to 32 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Dry sections / haulingExperienced diversPermission needed

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

Cave map

How to get there

Spring near Beaufort-sur-Gervanne, in the Gervanne valley. Diving is prohibited: the spring is tapped for drinking water.

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Around Émergence de Bourne

FillsNo fill station known nearby
Caves nearby6 within 60 km

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from public sources: the FFS site plongeesout (site sheets, reports, chamber list), Spelunca, Vercors Plongée, Visites Nature Vercors, Wikipedia, grottomap, DREAL Auvergne-Rhône-Alpes, CDS 38, Vercors Vertical, gouffre-berger.com, Vercors-Drôme tourism, plongeur.com, altituderando and decathlon-outdoor (September 2026). Much of the dive data comes from exploration reports (1997–2010) and sometimes differs between sources. Pins from Wikipedia, grottomap, the tourism database, the plus code of a meeting point and two converted Lambert III coordinates; one site without a pin. ~ = estimate. Rules change — check locally.