Source de l'Ain
Cave diving in the Doubs and Jura · about 9 km from Champagnole
- Max depth
- 36 m
- Type
- Not known yet
- Certification (estimate)
- Full cave
- DPV
- Not DPV-suitable
Karst spring of the Ain in a narrow wooded valley between Conte and La Favière, near Nozeroy (681 m). Explored 1969–1985 by clubs from the Jura, Dijon and Saint-Claude; we found no more recent data.
More about Source de l'Ain
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
- 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:
- Plongeur.com – forum Plongée Spéléo ↗
French diving forum; thread on the Loue and the Lison (2012) with notes on access and current.
- Groupe Spéléo du Doubs (GSD) ↗
Facebook page of the caving club that dives e.g. the Pont du Diable and the Source du Dard; older reports on gsd-speleo.over-blog.com.
- Spélé'Haut-Jura – plongée ↗
Club site with dive reports from the Haut-Jura (Exsurgence de Brive, La Grusse).
Plan a cave diving trip to the Doubs and Jura
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 web research (plongeesout.com, GSD – Groupe Spéléo du Doubs, Spélé'Haut-Jura, Jura Spéléo/CDS 39, CDS 25, Grottomap, Académie de Besançon, Lieux insolites, Montagnes du Jura, La Haute-Saône, Destination Haut-Doubs, Wikipedia, Grottes de Vallorbe, CMAS.ch, plongee.ch, DuikeninBeeld, SSN Namur, Plongeur.com, Spéléo Club de Dijon, MedSubHyp, DiveStation; Sept 2026). Much of the dive data is old (1969–1993) or comes from single club reports. Pins from Wikipedia, Grottomap, tourist offices and converted Lambert/Swiss grid coordinates; four springs have no pin. ~ = estimate. Rules change — check locally.