Hérault and Gard · about 35 km from Nant
Rivière souterraine de Laval de Nize
- Max depth49 m
- CertificationFull cave
- SpecialSidemount
Diving and fills
Dive here with
No dive centre guides here yet. Do you dive here with guests? Add your centre for free →
Fills nearby
- Fill stationLa Palanquée New'sNitrox and oxygen per a 2018 forum post; trimix and pressure: askRoute ↗
What it looks like
All 1 videos and posts
Videos and posts
From other divers, via YouTube, Instagram and Facebook. They only load when you click; after that, Google's or Meta's privacy rules apply.
Search for more onYouTube ↗Instagram ↗Facebook ↗
Other people's footage, not advice: how someone else dives here says nothing about what suits your team. Dive within your training.
The dive
An underground river with lots of clay, so visibility is poor after the first diver (estimate). It has been explored since 1930: S1 in 1970, S2 in 1985, S3 from 1990 to 2001.
Profile and sections
An underground river with lots of clay, so visibility is poor after the first diver (estimate).
It has been explored since 1930: S1 in 1970, S2 in 1985, S3 from 1990 to 2001. Data from ~2001.
- Depth and profile
- 250 m water passage (swimming) to S1 · S1 110 m / -5 (air bells) · S2 210 m / -15 · S3 790 m / -49 (35 m bedding-plane squeeze at -10 m); total 1,760 m, of which 1,110 m underwater
- Configuration
- Sidemount with small cylinders; lots of clay and a long bedding-plane squeeze — no backmount (estimate)
- DPV: Not DPV-suitable (estimate)
- Low, clay-floored passages and a long squeeze (estimate).
Who can dive where
- At least Full cave
- Configurations: Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 49 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
From Lunas take the D35E 6 km east to the hamlet of Laval de Nize; park and walk 250 m up the valley to the entrance behind an old cheese cellar. Key from the owner (ferme de Ladournie).
Around Rivière souterraine de Laval de Nize
Fills1 fill station · 59 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.
The links to Booking.com are affiliate links: if you book through one, DiveTripPlanner earns a small commission. You pay the same.
Going to Hérault and Gard with your team?
Marcel finds the sites that match your team's certifications.
Plan a trip