Sintzi
Cave diving in Attica and the Peloponnese · about 4 km from Kandila
- Max depth
- 240 m
- Trimix from
- 45 m
- Type
- Sidemount
- Certification (estimate)
- Full cave
Freshwater spring in the Arcadian mountains; according to T2B the deepest flooded cave in Greece. Water 10–12 °C; visibility usually very good but varying by season, and the outflow depends on rainfall.
More about Sintzi
Signed-in divers also see:
- Whether this site fits everyone's certification, gas and gear
- Access, parking and the route from the road
- Exact map pin and navigation
- Depth profile and sumps
- Configuration advice
- Warnings with sources (2)
- DPV suitability
- Driving times from your stay and a plan with the AI instructor
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- Addicted2H2O ↗
Athens dive team documenting ~25 Greek caves (incl. Vouliagmeni, Sintzi, Kefalovrysos, Korfos and the Kynouria caves), with dive reports.
- Top2Bottom (T2B) Diving Team ↗
Greek exploration and film team; cave pages with GPS, depths and descriptions.
- Grafas Diving ↗
Athens exploration team (wrecks and caves) with descriptions of underwater caves and springs across Greece.
- Ελληνική Σπηλαιολογική Εταιρεία (Hellenic Speleological Society) ↗
Speleological society in Athens (Sina 32): training, exploration and the journal Δελτίο της Ε.Σ.Ε.
Plan a cave diving trip to Attica and the Peloponnese
Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.
Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (cave pages of the Greek teams T2B, Grafas Diving and Addicted2H2O, wannadive, Wikipedia, Greek news reports 2015–2026, summaries of diving laws 3409/2005 and 4688/2020; Sept 2026). Pins from T2B, wannadive or Wikipedia (see each site); ~ = estimate. Rules change — check locally.