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Risorgenza di Rio Torretta

Valbrenta

Risorgenza di Rio Torretta

  • Max depth74 m
  • CertificationFull cave
  • Water temperature≈ 8–9 °Cestimated, no reports yet
  • SpecialSidemount

Diving and fills

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What it looks like

All 5 videos and posts

Videos and posts

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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 usually good, but fine silt clouds quickly; after S1 you reach a large chamber with silt. The water level varies 7–8 m over the year: in extreme drought S1 runs dry and you can walk to S2.

The water level can rise or fall 7–8 m; sumps open and close with it. Don't go after rain.
Profile and sections

Visibility is usually good, but fine silt clouds quickly; after S1 you reach a large chamber with silt. The water level varies 7–8 m over the year: in extreme drought S1 runs dry and you can walk to S2.

This is one of the most visited resurgences in Veneto. It has been explored since 27 February 1993 by Gigi Casati with Gruppo Grotte Trevisiol (Vicenza) and the CAI caving group of Verona; new exploration followed in 2009–2011 (Team Prometeo).

Depth and profile
S1 ~70 m / -12 · S2 ~25 m · S3 ~100 m / -26 (1993), later extended; in 2011 +315 m to -74 m · total >1,500 m (2010). A 2010 report puts S1 at ~350 m from the entrance (-5 m) and S2 at ~550 m (-34 m).
Configuration
No passage profiles published. Sumps with dry sections and carrying: sidemount or a compact CCR is the obvious choice (estimate); a rebreather was used in 2010.
DPV: Not DPV-suitable (estimate)
Short sumps with dry sections and carrying: no scooter (estimate).
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 74 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 swell

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

Roomy entrance in a steep rock face above the Astico. According to IDF the most remote cave of the area: a long walk through the forest with your gear. At normal water level ~30 m of dry passage first, to the lake where S1 starts; dry sections with carrying between the sumps.

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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 (Grotte di Oliero/Ivan Team, Federazione Speleologica Veneta, CNSAS Veneto, Gruppo Grotte Giara Modon and Speleosubtek, FVG cave cadastre, Gorgazzo municipal regulation, dive centres, expedition and dive reports, news reports, SIMSI chamber list; Sept 2026). Pins from OpenStreetMap, the FVG cadastre or converted Monte Mario coordinates (see each site); ~ = estimate. Rules change — check locally.