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Goul du Pont

Ardèche · about 1 km from Bourg-Saint-Andéol

Goul du Pont

  • Max depth204 m
  • CertificationFull cave
  • Water temperature≈ ~13 °Cestimated, no reports yet
  • SpecialExperienced divers

Diving and fills

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What it looks like

All 7 videos and posts

Videos and posts

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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

The water is about 13 °C. The deep gallery has clay, and visibility drops to about 20 cm when it is stirred up. The shallow part is also used for training dives (about -30 m).

Diving here is regulated: a municipal order bans diving in the springs for divers from outside the local organisation (sign at the entrance), and a prefectoral order applies to protect the drinking water. Ask the mairie or the Club de Plongée du Val de Tourne beforehand whether and how you may dive.
Right after the entrance the shaft drops quickly to -120 m: agree a hard maximum depth beforehand that matches your gas plan.
Backmount: the passage at -12 m is narrow; with a large rig, sidemount is clearly easier.
Profile and sections

The water is about 13 °C. The deep gallery has clay, and visibility drops to about 20 cm when it is stirred up. The shallow part is also used for training dives (about -30 m).

The Goul du Pont is the larger of the two Gouls de Tourne. Stones keep narrowing the entrance; it was cleared in 2002 and in 2021 (club work weekend). No connection with the Tannerie has been found yet.

Depth and profile
Entrance: boulder slope with a restriction at -12 m · rapid descent to -120 m with short galleries at -18, -80 and -110 m; chicanes between -70 and -78 m · deep gallery: -140 m at 380 m, -153 m at 450 m (2003), -192 m (2013–2014) · max -204 m, length 1,222 m (CDS07 2021)
Configuration
Backmount. Mind the entrance restriction at -12 m and the chicanes at -70/-78 m (awkward when heavily equipped, per Meniscus). Deep section only with trimix, preferably CCR.
DPV: Not DPV-suitable (estimate)
Mostly vertical; almost no horizontal passage at reachable depth. No gain.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 204 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced 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

Same park as the Tannerie (Vallon de Tourne, Bourg-Saint-Andéol), about 80–100 m away; entry in the large spring basin. Valley closed to cars by bollards (mairie/technical services).

Plan your route ↗

Around Goul du Pont

FillsNo fill station known nearby
Where to sleepAround Bourg-Saint-Andéol on Booking.com ↗

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Other sites6 within 15 km

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Sources, sharing and disclaimer

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 web research (Sept 2026) and the guide (2024 edition): CDS 07 and CDS 30, plongeesout.ffspeleo.fr, Spelunca, Grottocenter, foussoubie.fr, club reports and news. Page numbers refer to Stefan Schiemann's Cave Diving Guide Ardèche, Gard & Vaucluse. Map pins come from the GPS coordinates in the guide, from Grottocenter/OpenStreetMap or were converted from Lambert grid references (may be 50–100 m off). For some caves the data is thin or old: check it in the guide and locally. Certification requirements are estimates. Drive times are calculated by road for each stay (OSRM, OpenStreetMap).