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Grotte d'En Gorner

Roussillon and Aude · about 2 km from Villefranche-de-Conflent

Grotte d'En Gorner

  • Max depth42 m
  • CertificationFull cave
  • Water temperature≈ ~11 °Cestimated, no reports yet
  • SpecialDPV-suitable

Diving and fills

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Fills nearby

  • Fill stationCAP Port-Vendres (Centre d'Activité Plongée)~90 min drive (estimate)Air, nitrox 32/40/50, oxygen, trimix and CCR fills up to 300 bar (surcharge above 230 bar); custom blends too (O₂ and helium per m³)Route ↗
  • Fill stationCAP Port-Vendres (Centre d'Activité Plongée)~91 min drive (estimate)Air, nitrox 32/40/50, oxygen, trimix; up to 300 bar (surcharge above 230 bar); CCR fill packageRoute ↗
  • Fill stationPlongée Bleue (Banyuls-sur-Mer)~94 min drive (estimate)Air, nitrox (membrane) and oxygen (B50 cylinders, booster for CCR) up to 300 bar; trimix not listed — askRoute ↗
All fill stations and places to stay ↓

What it looks like

All 4 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.

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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

An underground river beneath the Mont Coronat, with the entrance at ~420–445 m. The water is 11 °C: after a 40-min survey dive in S1 the diver was thoroughly chilled.

Very fine red clay: visibility drops to zero at the slightest contact.
Cold water (11 °C) after a long, wet carry: risk of hypothermia — drysuit and heating.
In high water the rope bridges are (partly) submerged and carrying gets hard.
Profile and sections

An underground river beneath the Mont Coronat, with the entrance at ~420–445 m. The water is 11 °C: after a 40-min survey dive in S1 the diver was thoroughly chilled. Very fine red clay quickly takes visibility to zero.

The first dive was in 1978. Major extensions followed in 2016–2018, in 2018 with 25 divers over three days. Older figures on plongeesout (S1 60 m / -20, S2 200 m / -40) differ from the 2017–2018 reports.

Depth and profile
Upstream: S1 280–290 m / -38 · S2 490 m / -42 · S3 420 m / -40 · S3bis 50 m / -7 · then S4bis 30 m / -12 and a new 20 m sump (2018); downstream: S1 30 m / -3 · S2 305 m / -9.5. Dry approach ~2.7 km; cave >17 km in total (Grottomap: 20.1 km)
Configuration
Sidemount with small cylinders (7.5–10 l); CCRs and scooters have been used on explorations, but everything has to be carried ~2.7 km through the cave. Backmount is impractical with the fissures and the carrying (estimate).
DPV: DPV-suitable
According to the explorers a scooter halves the time in S1 (12 vs 25+ min) and S2 (15 vs 30+ min), with less deco and gas — but you have to carry it 2.7 km through the cave.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 42 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Dry sections / haulingExperienced diversDepends 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

Arrange with the owner's property manager: the gate is locked and the key must be organised in advance (local clubs and the Pyrénées-Orientales FFESSM commission go in with the key). Park at the bridge, ~15 min walk to the entrance. Then ~2.7 km through the dry cave to the upstream sump: 400 m of boulder chaos, the Parés fissure, the large 'Métro' gallery, a squeeze, the 'Puits de fer' (downclimb) and crawling over polished marble along the river. In the river you wade, partly knee-deep, and rope bridges span the water. Allow 5–6 hours for a trip.

Plan your route ↗

Around Grotte d'En Gorner

Fills3 fill stations · nearest 60 km
  • CAP Port-Vendres (Centre d'Activité Plongée)

    ~90 min drive (estimate)

    Anse Gerbal (ancienne criée), 66660 Port-Vendres

    Air, nitrox 32/40/50, oxygen, trimix and CCR fills up to 300 bar (surcharge above 230 bar); custom blends too (O₂ and helium per m³)

    Not listed — ask

    Dive centre at Port-Vendres harbour (Côte Vermeille). Also fills cylinders for visitors who do not dive with the centre; CCR fill package for 1.5–3 l cylinders. Website prices include helium €90/m³ and O₂ €40/m³. ~1 h 20 from Saint-Paul-de-Fenouillet and ~35 min from Perpignan (estimates). Sorb (sofnolime): ask.

  • CAP Port-Vendres (Centre d'Activité Plongée)

    ~91 min drive (estimate)

    Anse Gerbal (ancienne criée), 66660 Port-Vendres

    Air, nitrox 32/40/50, oxygen, trimix; up to 300 bar (surcharge above 230 bar); CCR fill package

    Not listed — ask

    Dive centre at Port-Vendres harbour (Côte Vermeille); also fills walk-in customers' cylinders. Far from Ganges (~2 h 45, estimate). Sofnolime: ask.

  • Plongée Bleue (Banyuls-sur-Mer)

    ~94 min drive (estimate)

    Port de plaisance, 10 quai George Petit, 66650 Banyuls-sur-Mer

    Air, nitrox (membrane) and oxygen (B50 cylinders, booster for CCR) up to 300 bar; trimix not listed — ask

    Not listed — ask

    Dive centre with two compressors (58 m³/h) and eight 80 l buffer tanks; runs rebreather courses. Whether walk-in fills for visitors are possible is not stated on the site — ask. ~1 h 30 from Saint-Paul-de-Fenouillet (estimate).

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Caves nearby6 within 42 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 web research (the FFS plongeesout.ffspeleo.fr site pages per département and accident list, FFESSM Occitanie Pyrénées Méditerranée reports 2011–2026, Wikipedia, Grottomap, Made in Perpignan, Francis Le Guen's blog, club reports by the Entente Spéléologique du Roussillon and Les Trogloxènes, Agence de l'eau Rhône-Méditerranée, Côte Indigo, Spéléo Secours Français, Medsubhyp, sante.fr and dive-centre websites; Sept 2026). Pins from plongeesout (GPS, checked against converted Lambert coordinates) and Grottomap; ~ = estimate (drive times too). Most site data are old (1970–2008). Rules change — check locally.