Hérault and Gard · about 19 km from Ganges
Foux de la Vis
- Max depth104 m
- CertificationFull cave
- Water temperature≈ ~12 °Cestimated, no reports yet
- SpecialSidemount
Diving and fills
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Fills nearby
- Fill stationLa Palanquée New'sNitrox and oxygen per a 2018 forum post; trimix and pressure: askRoute ↗
The dive
The water is 12 °C and the passage roughly follows the Vis upstream (north-west). The Foux de la Vis is one of France's largest springs, per Wikipedia the fifth by mean flow: 5.07 m³/s on average.
Profile and sections
The water is 12 °C and the passage roughly follows the Vis upstream (north-west).
The Foux de la Vis is one of France's largest springs, per Wikipedia the fifth by mean flow: 5.07 m³/s on average. The exploration dives of 2001–2007 lasted 6 to 9 hours (European Karst Plain Project in 2006–2007).
- Depth and profile
- Narrow entrance (~0.6 m wide, 3 m long) in an unstable boulder choke, then galleries up to 8 m high and 12 m wide; intermediate levels around -22 and -37 m, low point -80/-84 m, then rising again (1,200 m / -38 in 1998); explored to 2,312 m / -104 (2006) and 2,984 m / -90 (2007)
- Configuration
- Sidemount recommended because of the narrow, unstable entrance; backmount possible but tight (estimate). CCR for the far sections.
- DPV: DPV possible (estimate)
- Large galleries and long distances, but the narrow entrance and boulder choke make a scooter awkward; only worthwhile for the far sections (estimate).
Who can dive where
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 104 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
On foot only. Plongeesout: from the D130 towards the Cirque de Navacelles, turn off 900 m before the hamlet towards Blandas (D173); ~2 km on, take the track on the left down to the pumping station; park there and walk 1,300 m. Wikipedia: park at the bend between Blandas and Navacelles and walk ~15 min on the marked PR trail. The entrance is just above the Foux waterfall, to the right above the old mill; its top is shored with stone slabs under the footpath. Expect a long gear carry.
Around Foux de la Vis
Fills1 fill station · 55 km
La Palanquée New's
Boulevard Frédéric Fabrèges, 34250 Palavas-les-Flots
Nitrox and oxygen per a 2018 forum post; trimix and pressure: ask
Mon–Fri 9:00–19:00, Sat 9:30–12:30 and 13:30–19:00, closed Sun (2026)
Large dive shop on the coast near Montpellier (~1 h from Ganges, estimate). Its own site does not mention fills: call ahead. In 2018 a local diver called it the only place around Montpellier for nitrox and O₂.
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