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Mount Gambier

Gouldens Hole

  • Max depth26 m
  • CertificationCavern
  • Water temperature≈ 14–16 °Cestimated, no reports yet
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Directions

Diving and fills

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What it looks like

All 2 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

Good visibility, with yabbies and fish. The sinkhole is often used for training.

Profile and sections

Good visibility, with yabbies and fish. The sinkhole is often used for training.

Source: CDAA – Gouldens Hole ↗Source: Parks SA – cave diving sites (bookings) ↗
Depth and profile
About 26 m (tourism source; not confirmed); thermocline at 15 m.
Configuration
Open sinkhole: every configuration (estimate).
Who can dive where
  • CaveAt least Cavern
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 26 m (trimix or deco may be needed) · doesn't decide who may dive
Permission neededEntry or dive fee

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.

Source: CDAA – Gouldens Hole ↗Source: Parks SA – cave diving sites (bookings) ↗

How to get there

Smaller sinkhole near Mount Schank on DEW land. Book at least 48 hours ahead through Parks SA: slots 06–12 and 12–20 h, at most 12 divers per slot including instructors, indemnity. CDAA rating: Basic Cave.

Plan your route ↗

Around Gouldens Hole

FillsNo fill station known nearby
Other sites6

Going to Mount Gambier with your team?

Marcel finds the sites that match your team's certifications.

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Sources, sharing and disclaimer

Sources

Source: CDAA – Gouldens Hole ↗Source: Parks SA – cave diving sites (bookings) ↗

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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 (Oct 2026): the Cave Divers Association of Australia (site list, site pages, training and visitor permit), Parks SA, Forestry SA, Wikipedia, the heritage summary of Fossil Cave, cavediving.net.au, CDG reports (caves.org.au), Divernet (2025), the City of Mount Gambier, the Royal Adelaide Hospital, DAN and the dive shops' own websites. Pins only where Wikipedia gives coordinates; the CDAA publishes none. The certification per site is an estimate from the CDAA rating; you always need that CDAA rating as well. Check everything with the CDAA.