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Slovenia

Križna jama

Info · exploration

Information only: a protected cave where only a research team dives. No source says the sumps are open to visiting divers.

  • CertificationFull cave
  • SpecialExperienced divers

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Now at Križna jama

Status
Closed

The dive

A cave full of small lakes in the southern karst, in water of 7 to 8 °C. In 2026 an international team led by Maja Karmen Mušič (NOVA Projects) found new submerged passage, air chambers and dry leads.

Profile and sections

A cave full of small lakes in the southern karst, in water of 7 to 8 °C. In 2026 an international team led by Maja Karmen Mušič (NOVA Projects) found new submerged passage, air chambers and dry leads. Cave-bear remains lie at about 13 m, and the team left them in place. The team works with the local cave society and cavers from Rakek, and also in Nova Križna jama.

Practical: information only.

Depth and profile
8,273 m of known passage; more than 160 m of underwater line surveyed in 2026. Depth of the sumps not published (InDEPTH 2026).
Configuration
Expedition dives in 7–8 °C water; configuration not published.
DPV: Not DPV-suitable
Electric scooters are only allowed in Slovenian caves for sump research (ZVPJ art. 18); not for visitors.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR
  • Whole caveConfiguration unknown — research beforehand · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Dry sections / haulingExperienced diversPermission 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

In the Loška dolina, in the southern Slovenian karst. One entrance; the team took the gear to the water with ladders and an electric winch.

Plan your route ↗

Around Križna jama

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 11 Nov 2026.

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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 (Drowning Protection Act ZVU, Uradni list RS 44/2000; Cave Protection Act ZVPJ via JZS; 24ur Jan 2009 and the JZS rescue archive; Svet24 Dec 2025; RTV SLO Jul 2026; Radio Ognjišče; the Slovenian diving federation's PAS atlas and emergency list (2021); Wikipedia; kraji.eu; Moja jezera; Kam na izlet; Dolenjski kras (JKNM); X-Ray Mag and InDEPTH (2020); wannadive.net; potapljanje.si; Norik-sub and watersports.si; visit-idrija.si; Sept 2026). Pins from Wikipedia, the SPZ atlas and Kam na izlet; three sites have no pin. ~ = estimate. Rules change — check locally.