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Charente

Source captée de Gros Roc

  • Max depth5.5 m
  • CertificationFull cave
  • SpecialExperienced divers
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The dive

Clear water flows in the main passage of this small spring. It was followed to 20 m in 1993. In 2008 club divers enlarged the passage to the end point at ~30 m, partly with pneumatic hammers and surface-supplied air.

Tight fissure at the entrance and fluid clay in the squeezes: kit off and zero visibility on the way out.
Source: Spit Club Saint-Maixentais – source captée de Gros Roc (2009) ↗
Profile and sections

Clear water flows in the main passage of this small spring.

It was followed to 20 m in 1993. In 2008 club divers enlarged the passage to the end point at ~30 m, partly with pneumatic hammers and surface-supplied air.

Depth and profile
Development 32 m, max -5.5 m; end point at ~30 m (2008).
Configuration
Vertical fissure of 25–30 cm and clay squeezes where you have to take your kit off: small side-slung cylinders (3.5–6 l) only.
DPV: Not DPV-suitable (estimate)
32 m long and very tight: no scooter.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Sidemount / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 5.5 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.

How to get there

On the D150 between Saint-Jean-d'Angély and Saintes, turn off at the hamlet of La Roulerie. Former drinking-water catchment (out of use since 2005 because of turbidity and pesticides); the building is locked. Permission from the water syndicate (RESE), requested through CDS 17.

Plan your route ↗

Around Source captée de Gros Roc

FillsNo fill station known nearby
Caves nearby1 within 52 km

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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: plongeesout (FFS), Wikipedia, the FFS congress page on the Touvre (2009), FFESSM Subaqua (2018), the Spit Club Saint-Maixentais, CDS 79, BRGM (1974), the communes of Touvre and Magnac-sur-Touvre, Rivières de l'Angoumois, ABIMES, GESMA, the La Rochefoucauld caving club (ARSR), the FFESSM Nouvelle-Aquitaine club directory and MedSubHyp (September 2026), and for Le Paradis Blanc Divernet (2016), Aquatek and the Charente prefecture (Oct 2026). Much of the dive data is old (1951–2019) or comes from a single club report. Pins only from published coordinates (Gros Roc); the Touvre springs and the Sources du Cros from OpenStreetMap; the three Deux-Sèvres sites approximately at the centre of their commune (CDS 79, message, Oct 2026); the Glane from Grottocenter; one spring and Le Paradis Blanc have no pin yet. ~ = estimate. Rules change — check locally.