Valbrenta · about 2 km from Valstagna (Valbrenta)
Covol dei Veci (Grotte di Oliero)
- Max depth55 m
- CertificationCavern
- Water temperature≈ ~9 °Cestimated, no reports yet
- SpecialDPV-suitable
Diving and fills
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What it looks like
Cave Diving - Grotte di Oliero (Covol dei Veci) Cave Diving - Grotte di Oliero (Covol dei Siori) Covol dei Veci Covol dei Veci - Italy 2013
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Videos and posts
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Cave Diving - Grotte di Oliero (Covol dei Veci) Cave Diving - Grotte di Oliero (Covol dei Siori) Covol dei Veci Covol dei Veci - Italy 2013
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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
Visibility is often 10–20 m or more, varying with rain. The Covol dei Veci is the active spring of the Oliero system, one of Europe's largest karst springs (average ~15 m³/s, double that in wet periods; 1966 flood ~140 m³/s).
Profile and sections
Visibility is often 10–20 m or more, varying with rain.
The Covol dei Veci is the active spring of the Oliero system, one of Europe's largest karst springs (average ~15 m³/s, double that in wet periods; 1966 flood ~140 m³/s). It is connected to the Covol dei Siori: one team exited through the Siori.
Practical: cost €10 per diver, paid online by credit card, with a digital check-in per diver; Ivan Team office +39 0424 558250 (Mon–Fri). The park is open March to October (closed Mondays). Local centres run cavern and intro courses here.
- Depth and profile
- Entrance passage drops to -50/-55 m. S1 2,340–2,600 m / -55 · dry section ~300 m · S2 ~1,090 m / -50 (found in 2004). According to Wikipedia (it) ~10 km has been explored in total.
- Configuration
- All configurations: very large passages. To the end of S1 and into S2 the reporting teams used CCR, scooters and staged bailout (20 l, O₂ and 50/25 at the entrance). Water ~9 °C.
- DPV: DPV-suitable
- S1 is 2.3–2.6 km long and roomy; the reporting teams did it with CCR and Bonex scooters.
Who can dive where
- At least Cavern
- Configurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
- Goes down to 55 m (trimix or deco may be 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.
How to get there
Inside the Parco Grotte di Oliero (Oliero, Valbrenta). Book online with Ivan Team at least 3 days ahead. The spring is a deep blue pot at the foot of a rock wall, reached across an old mill dam; according to a 2012 report the gear went first by boat and then on foot to the spring.
Around Covol dei Veci (Grotte di Oliero)
FillsNo fill station known nearby
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News
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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