South Wales and Mendip, Great Britain · about 3 km from Wells
Wookey Hole
- Max depth90 m
- CertificationFull cave
- Water temperature≈ 4–10 °Cestimated, no reports yet
- SpecialSidemount
Diving and fills
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Fills nearby
- Fill stationThe Lake (Cromhall Quarry)Air (232 and 300 bar), nitrox (22–100 %), oxygen and 'mixed gas'; which mixes exactly is not stated — askRoute ↗
What it looks like
Divers React to Super Technical Cave Dive at Wookey Hole Wookey Hole terminal sump 2020 Sidemount rebreather cave diving in Wookey Hole in the final sump (70m) Wookey Hole Cave Dive - August 2024
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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.
Divers React to Super Technical Cave Dive at Wookey Hole Wookey Hole terminal sump 2020 Sidemount rebreather cave diving in Wookey Hole in the final sump (70m) Wookey Hole Cave Dive - August 2024
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Wild Wookey
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Wild Wookey
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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
Wookey Hole is the resurgence of the River Axe on the southern edge of the Mendip Hills, near Wells; the front chambers are a show cave.
1 earlier accident or incident has been reported at this cave. Read what happened ↓
Profile and sections
Wookey Hole is the resurgence of the River Axe on the southern edge of the Mendip Hills, near Wells; the front chambers are a show cave. It is not suitable for team diving: all diving is solo, although more than one diver can be in the cave at a time. After floods there is debris, buried and damaged line and silt banks, and visibility can be zero. The cave temperature is a constant 11 °C.
Wookey Hole is the birthplace of cave diving: the first dives here were in 1935.
- Depth and profile
- 25 numbered chambers, but not all are air spaces: historically some underwater enlargements of the passage were also called chambers. After Chamber 9:2 the underwater passages descend in a series of saw-tooths to 24 m, and the same on the way back. The sump beyond chamber 25 reaches -90 m (exploration); -60 m was reached in the early 1980s. Depths of the earlier sumps not published.
- Configuration
- Sidemount or chest-mount CCR: there are constricted passages and rifts where backmount is not an option. Beyond chamber 25, CCR and trimix for the deep sections.
- DPV: Not DPV-suitable
- Scooters are not commonly used because of the restricted nature of some passages.
Who can dive where
- At least Full cave
- Configurations: Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 90 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
Diving only for members of the Cave Diving Group (CDG). No access for other divers.
Around Wookey Hole
Fills1 fill station · 47 km
The Lake (Cromhall Quarry)
Cromhall Quarry, Wotton Road, South Gloucestershire GL12 8AA
Air (232 and 300 bar), nitrox (22–100 %), oxygen and 'mixed gas'; which mixes exactly is not stated — ask
Workshop Wed, Thu, Sat and Sun 8:00–15:00
Dive lake in a former quarry (max -17 m) with a technical department (IDEST-certified) for fills, servicing and cylinder testing; the workshop is by the quarry entrance. Diving at weekends, no solo diving. Not a dive school. No phone number or e-mail address on the website: contact through the form.
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News
All (1)
Accidents and incidents
What happened at this cave before, with the sources. No names are given; read it as a lesson for your own planning.
- Fatal diving accidents in 1949 (on the way back from chamber 9) and 1981 (during a routine dive upstream).
Access and rules change: check what applies locally right before your trip. Source: GDELT Project and the news feeds of diving magazines. Search for more news ↗ Searched automatically, last on 13 Nov 2026.
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