Ardèche · about 6 km from Saint-Ambroix
Baume de Chazelle
- Max depth35 m
- CertificationFull cave
- Water temperature≈ 12–13 °Cestimated, no reports yet
- SpecialSidemount
Diving and fills
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The dive
The cave intersects a temporary underground stream, active only at high water. Beyond the sumps there are dry passages with 7 m and 12 m climbs.
Profile and sections
The cave intersects a temporary underground stream, active only at high water. Beyond the sumps there are dry passages with 7 m and 12 m climbs.
The sumps were passed in 1982 by P. Penez and J.-C. Chouquet ('réseau Penez'), with further work in 1997 (C. Baudu). The Peyraou de Chazelle, about 220 m away, is probably the outlet of this system; the junction is not confirmed.
- Depth and profile
- Upstream: S1 140 m / -16, clayey 20 m pit, S2 90 m / -13 · downstream: sump 810 m / -35 (8 m flooded shaft, 5 × 6 m conduit to -22, air bell at 130 m, then low points -26, -35, -26 m) · development 5.1 km (CDS07 2021; fiche: > 6 km)
- Configuration
- Sidemount or small cylinders: everything goes down a 22 m shaft and hundreds of metres of clayey cave. The downstream sump is roomy (5 × 6 m); a sidemount CCR is an option for the 810 m.
- DPV: Not DPV-suitable (estimate)
- 22 m shaft and a long clayey cave first; carrying a scooter in is not worth it.
Who can dive where
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 35 m (trimix or deco may be needed)
- Ropework (SRT) needed
- Experienced divers only
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
South-west of Saint-André-de-Cruzières, west of the hamlet of Chazelles. Upper entrance: 22 m shaft (rope/ladder), then clayey steps to a main collector; westwards about 600 m of passage with a lake to the upstream sump. All gear goes down the shaft and through the cave.
Around Baume de Chazelle
FillsNo fill station known nearby
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