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Source de la Douix

Burgundy · about 1 km from Châtillon-sur-Seine

Source de la Douix

  • Max depth17.3 m
  • CertificationFull cave
  • Water temperature≈ 11–12 °Cestimated, no reports yet
  • SpecialSidemount

Diving and fills

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Fills nearby

  • Fill stationAquasub (Ahuy, Dijon)~87 min drive (estimate)Fills dive cylinders; which gases (nitrox, trimix, O₂) and up to what pressure is not published — ask.Route ↗
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What it looks like

All 5 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 Vauclusian spring in the middle of the town, with water at 11–12 °C: drysuit. Visibility is usually clear, clouding after repeated passes; wannadive reports less than 5 m.

A fixed chain runs through all the passages (laid at the mayor's request), without arrows to the exit. Reported in 2009 as an entanglement hazard: once caught, it is hard to get free.
The descending restriction at the entrance is hard to pass at high water; there is current even in normal conditions.
Restrictions at the entrance and at -6 m: beyond the limits of an intro certification.
Profile and sections

A Vauclusian spring in the middle of the town, with water at 11–12 °C: drysuit. Visibility is usually clear, clouding after repeated passes; wannadive reports less than 5 m. After 180–200 m a boulder choke blocks the passage.

Discharge is 0.6–3 m³/s. Pumping operations in 1993 and 1996 to get through the choke failed, and a new one was being prepared in 2018. The spring has been used for FFS initiation courses (2009) and club dives (Spéléo-Club de Dijon, June 2020).

Depth and profile
~180 m to the terminal boulder choke, max -17.3 m; total development ~300 m. 'Trou du hibou' restriction at -6 m, 'salle des Vaguelettes' at -15 m, two air bells. wannadive gives -17 m average and -27 m max.
Configuration
Descending restriction at the entrance and a second one at -6 m (once enlarged with explosives): sidemount or small kit fits best. Backmount and CCR: tight (estimate).
DPV: Not DPV-suitable (estimate)
Short (~180 m), with restrictions and a chain: no scooter.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 17.3 m (trimix or deco may be needed) · doesn't decide who may dive
Depends on water level or swellPermission 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.

Cave map

How to get there

Spring on rue de la Douix in Châtillon-sur-Seine, a few minutes' walk from the road. In 2009 the town only asked divers to sign up on a waiting list, to avoid clashes between dive clubs. Check the current arrangement with the mairie beforehand (Hôtel de Ville, place de la Résistance, tel. +33 3 80 91 50 50).

Plan your route ↗

Around Source de la Douix

Fills1 fill station · 69 km
  • Aquasub (Ahuy, Dijon)

    ~87 min drive (estimate)

    7 rue de l'Aqueduc Darcy, 21121 Ahuy

    Fills dive cylinders; which gases (nitrox, trimix, O₂) and up to what pressure is not published — ask.

    Tue–Fri 10:00–12:00 and 14:00–19:00, Sat 10:00–12:00 and 14:00–18:30; Monday by appointment; closed Sunday.

    Dive shop on the northern edge of Dijon with rental and a workshop (regulator servicing, cylinder testing). Walk-in fills for visitors and CCR absorbent: ask.

Where to sleepAround Châtillon-sur-Seine on Booking.com ↗

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Caves nearby2 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: wannadive, COSIF/FFS Île-de-France, CDS 21, Spéléo-Club de Dijon, Spéléo Club Alpin de Gap, Spéléo-Club de Chablis, plongeesout.ffspeleo.fr, Bourgogne-Nature, CNRS, Wikipedia, the Burgundy tourism board, komoot, Chemins de l'eau, MedSubHyp, Aquasub and the town of Châtillon-sur-Seine (September 2026). Much of the dive data is old (2009–2012) or comes from a single club report. Pins from wannadive, Wikipedia, plongeesout.ffspeleo.fr and one converted Lambert coordinate. ~ = estimate. Rules change — check locally.