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Dive sites: Geological

Geological dive sites — depth, conditions, and required training level.

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Hungary

1
cave

Molnar Janos Cave

Budapest · Budapest · Hungary

A thermal cave system beneath Budapest fed by natural hot springs, featuring crystal-clear warm water, vast underwater chambers, and stunning mineral formations accessible only to certified cave divers.

Depth30M
Leveladvanced
Entryshore
Currentnone
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Indonesia

1
seamount

Krakatau Underwater Volcano

Bandar Lampung · Lampung · Indonesia

The submerged volcanic slopes surrounding the Krakatau caldera in the Sunda Strait, where pioneer coral communities colonise young lava flows and the raw geological drama of an active volcanic complex creates diving unlike anywhere else on Earth.

Depth30M
Leveladvanced
Entryboat
Currentstrong
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Vanuatu

1
cavern

The Cathedral

Luganville · Sanma Province · Vanuatu

A magnificent underwater cavern near Luganville where shafts of sunlight penetrate through ceiling openings into a cathedral-like chamber, illuminating crystal-clear fresh and salt water mixing zones.

Depth20M
Levelintermediate
Entryshore
Currentmild
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