Rivière souterraine de Saint-Christophe-sur-Roc
Cave diving in the Charente · about 11 km from Saint-Maixent-l'École
- Max depth
- unknown
- Type
- Sidemount
- Certification (estimate)
- Full cave
- DPV
- Not DPV-suitable
According to CDS 79 the largest underground river in the Deux-Sèvres. Discharge from over 100 m³/h in winter to ~10 m³/h in drought: passable only at low water.
More about Rivière souterraine de Saint-Christophe-sur-Roc
Signed-in divers also see:
- Whether this site fits everyone's certification, gas and gear
- Access, parking and the route from the road
- Exact map pin and navigation
- Depth profile and sumps
- Configuration advice
- Warnings with sources (2)
- DPV suitability
- Driving times from your stay and a plan with the AI instructor
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- plongeesout (FFS) – sites de la Charente ↗
The FFS cave-diving database with pages on the Touvre springs, the Sources du Cros and other Charente springs; much of the data is old.
- plongeesout (FFS) – sites des Deux-Sèvres ↗
Pages on the Deux-Sèvres sumps (Saint-Christophe-sur-Roc, Sainte-Néomaye, Bataillé, Vivier), with Lambert coordinates.
- plongeesout (FFS) – sites de la Dordogne ↗
List of the Dordogne springs, including the Grand Souci and the Glane in the north.
- CDS 79 – Comité départemental de spéléologie des Deux-Sèvres ↗
Deux-Sèvres caving committee: access requests for the underground rivers and cave-diving news (Exoudun, Saint-Maxire).
- Spit Club Saint-Maixentais – plongée souterraine ↗
Club reports of cave dives in the Deux-Sèvres, the Charente-Maritime and the Touvre.
- GESMA Angoulême – commission souterraine ↗
Cave-diving commission of the GESMA dive club in Angoulême, with videos (Touvre 2018, Lot).
- FFESSM Nouvelle-Aquitaine – clubs de la Charente ↗
Club directory with contact details for Speleo Libre Charentais (cave diving, nitrox, trimix, rebreather) and the other Charente clubs.
- ARSR – club de spéléologie de La Rochefoucauld ↗
Caving club of the La Rochefoucauld karst: dry caves (Fosse Mobile, Trou qui Fume) and their keys.
Plan a cave diving trip to the Charente
Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.
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). Much of the dive data is old (1951–2019) or comes from a single club report. Pins only from published coordinates (Gros Roc) or converted from Lambert (Saint-Christophe-sur-Roc); the Touvre springs and most other springs have no pin yet. ~ = estimate. Rules change — check locally.