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Vercors

Émergence du Diable

Closed to divers

Diving banned: the spring is tapped for Pont-en-Royans' drinking water; the entrance is gated.

  • Max depth137 m
  • CertificationFull cave
  • SpecialExperienced divers
Directions

Diving and fills

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Now at Émergence du Diable

Status
Closed

The dive

S2 was explored step by step: -30 m (1968), -55 m (1972), -64 m (1979–1982), -89 m (1995) and 600 m / -137 m (1996).

Profile and sections

S2 was explored step by step: -30 m (1968), -55 m (1972), -64 m (1979–1982), -89 m (1995) and 600 m / -137 m (1996).

Depth and profile
150 m streamway to S1 (bypass via a low passage on the right) · 30 m active passage · S2 600 m / -137 (1996)
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 137 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

From Sainte-Eulalie-en-Royans up the Petits Goulets (Vernaison gorge), after the last tunnel down a track to the big waterfall; the entrance is above the waterfall and closed by a gate. The spring supplies drinking water to Pont-en-Royans: diving is prohibited.

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Around Émergence du Diable

FillsNo fill station known nearby
Caves nearby6

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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.