Burgundy · about 22 km from Dijon
Creux Bleu
- Max depth10 m
- CertificationFull cave
- Water temperature≈ ~12 °Cestimated, no reports yet
- SpecialExperienced divers
Diving and fills
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Fills nearby
- Fill stationAquasub (Ahuy, Dijon)Fills dive cylinders; which gases (nitrox, trimix, O₂) and up to what pressure is not published — ask.Route ↗
The dive
A blue spring (the colour comes from microscopic algae) with water at 12 °C. It is the outlet of the Combe aux Prêtres system near Francheville, according to the tourist board the largest underground network in Burgundy.
Profile and sections
A blue spring (the colour comes from microscopic algae) with water at 12 °C. It is the outlet of the Combe aux Prêtres system near Francheville, according to the tourist board the largest underground network in Burgundy.
Clubs dive it after a club day or to test kit (2020, 2023); in August 2023 a team used lift bags to remove ~2 tonnes of gravel to enlarge a restriction.
Practical: there is a picnic spot, and a 9.5 km walking trail starts at the spring.
- Depth and profile
- Spring pool with a short underwater passage: development ~20 m, max -10 m (2023).
- Configuration
- The pool works with any configuration; the passage is a dig with tight restrictions (dived in 2023 with sidemount, small cylinders and CCR).
- DPV: Not DPV-suitable (estimate)
- Pool and ~20 m passage: no scooter.
Who can dive where
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 10 m (trimix or deco may be 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
Blue spring pool with a wash-house on rue du Moulin in Villecomte; park by the bridge next to the wash-house on the canal. No diving ban known. A club camp in 2023 got permission from the mairie and a local association.
Around Creux Bleu
Fills1 fill station · 22 km
Aquasub (Ahuy, Dijon)
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.
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Caves nearby3 within 52 km
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