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Ardèche · about 6 km from Ruoms

Exurgence de Bourbouillet

  • Max depth51 m
  • CertificationFull cave
  • Water temperature≈ 12–13 °Cestimated, no reports yet
  • SpecialExperienced divers

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The dive

The sumps are described as 'very comfortable'. Between S1 and S2 you enter the water down a 2 m ladder and exit with a hand line; between S3 and S4 there is a dry section where gear is carried.

Lowest point -51 m in a gravel-choked bedding plane, far from the entrance after several sumps and dry sections: a restriction at depth.
Resurgence of a karst system that reacts strongly to rain; after heavy rain the spring flows hard. Only dive after a stable dry spell.
Profile and sections

The sumps are described as 'very comfortable'. Between S1 and S2 you enter the water down a 2 m ladder and exit with a hand line; between S3 and S4 there is a dry section where gear is carried. After heavy rain the spring is spectacular ('féerique').

This is the outlet of the Bourbouillet–Reméjadou–Ranc du Bœuf system. Through S7 (-51 m) it connects with the Aven du Reméjadou.

Depth and profile
Seven sumps (S1–S7), passages ~3 × 3 m on average. Lowest point -51 m in a gravel-floored bedding plane (S7, connection with the Reméjadou). Individual sump lengths unknown.
Configuration
Backmount: the sumps are roomy. A ladder and rope between S1 and S2 and gear carrying between S3 and S4; light sidemount saves weight there. CCR fits the sumps too, but the carrying is hard work.
DPV: DPV possible (estimate)
Roomy sumps (~3 × 3 m), but short sumps with a ladder and dry sections in between: little 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 51 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 diversDepends on water level or swellPermission 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.

How to get there

From Saint-Alban-Auriolles take the D208 towards Chandolas, after 2 km turn right onto the D246 towards Joyeuse. After a narrow gorge and a bridge take the track towards the hunting estate (Domaine du Bourbouillet); the entrance is in a field opposite the entrance of the fenced park. Two openings: a small permanent tube (1 × 0.5 m) and a roomier one (3 × 2 m) leading to a lake.

Plan your route ↗

Around Exurgence de Bourbouillet

FillsNo fill station known nearby
Where to sleepAround Ruoms on Booking.com ↗

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Other sites6 within 6 km

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Current conditions

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

  • Ardèche Caves Conditions ↗
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    Current conditions in the Ardèche caves: visibility, flow, water level, state of the line and temperature.

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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).