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Baume du Pêcher

Ardèche · about 3 km from Ruoms

Baume du Pêcher

  • Max depth33 m
  • CertificationFull cave
  • Water temperature≈ 12–13 °Cestimated, no reports yet
  • SpecialSidemount

Diving and fills

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What it looks like

All 1 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

A long resurgence with a string of short sumps alternating with dry passage. Around 400 m there is a wet duck and at 450 m a lake; a northern branch has three sumps (up to 55 m / -25).

Grottocenter warns of high CO2 concentrations in the dry sections between sumps.
Overflows in heavy rain; difficulty depends strongly on the water level.
Profile and sections

A long resurgence with a string of short sumps alternating with dry passage. Around 400 m there is a wet duck and at 450 m a lake; a northern branch has three sumps (up to 55 m / -25). Beyond S10 the ceilings are over 10 m high.

Explored 1945–2008: G.S. Vans reached S10 in 1980–82, and Baudu's team got past the terminal sump in 2008.

Depth and profile
S1 20 m (starts with a narrow window) · S2 no data · S3 13 m / -3 · S4 183 m / -22 (at 735 m) · S5 60 m / -25 (can be bypassed by a climb) · S6 40 m / -6 · S7 55 m / -10 · S8 30 m / -4 · S9 40 m / -6 · S10 120 m / -33 · development 2,623 m, entrance to end 2,225 m
Configuration
Small, light sidemount: narrow S1 entrance, meanders and many dry sections with climbing (5–8 m aid climb between S4 and S5, 10 m climb at S9). Backmount not suitable (estimate).
DPV: Not DPV-suitable (estimate)
Short sumps with dry sections in between: no scooter.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 33 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 swell

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

Right bank of the Ligne, below the D4 Bellevue–Ruoms road, about 500 m south of the Bellevue road cutting. From a hairpin bend descend 10–20 m to the entrance among the rocks. Then 123 m of passage to S1.

Plan your route ↗

Around Baume du Pêcher

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

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Other sites6 within 7 km

Going to the Ardèche with your team?

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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:

  • Ardèche Caves Conditions ↗
    Facebook group

    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).