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Kefalovrysos (Inachos spring)

Greece · about 11 km from Kandila

Kefalovrysos (Inachos spring)

  • Max depth30 m
  • CertificationFull cave
  • Water temperature≈ 10–11 °Cestimated, no reports yet
  • SpecialSidemount

Diving and fills

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What it looks like

All 4 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

The water is ~10–11 °C. The cave is largely clay: on the way out visibility is often close to zero. The outflow helps you out.

Zero visibility on the way out because of clay, with side branches in the first 120 m: a continuous line and strict line procedures are needed.
Altitude ~750–770 m: dive with altitude settings (computer/tables).
Profile and sections

The water is ~10–11 °C. The cave is largely clay: on the way out visibility is often close to zero. The outflow helps you out.

This is the karst spring of the Inachos, the largest river of Argolida, and a drinking-water source for the area. Greek teams dived it in 2018 and 2020.

Depth and profile
~395–400 m long, max -28/-30 m, 1.5–4 m wide. First section ~90 m to max -4 m; then ~165 m with changing direction. Several side branches in the first 120 m; air chambers with formations.
Configuration
Narrow (1.5–4 m) and lots of clay: sidemount or CCR. On open circuit your bubbles dislodge clay from the ceiling.
DPV: Not DPV-suitable (estimate)
Narrow and full of clay: no scooter.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 30 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced divers

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 village of Kefalovrysos: the spring (kefalari) is a few metres from the village square, by the main church. The village lies at ~750–770 m, ~36 km from Argos.

Plan your route ↗

Around Kefalovrysos (Inachos spring)

FillsNo fill station known nearby
Where to sleepAround Kandila on Booking.com ↗

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Caves nearby3 within 57 km

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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 (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); for Rhodes the dive centres Lepia and DiveMed, Scuba Hellas, Tribloo and Duikersgids (Oct 2026); Lepia Dive Centre (message, Oct 2026); for Crete and the Ionian Islands Grafas Diving, Addicted2H2O, divernet (Martyn Farr, 2018), showcaves.com, cretanbeaches.com and the pages of the dive centres Aquatic, Achilleon, Blue Adventures and Eurodivers (Oct 2026). Sea caverns at Lindos and on Kefalonia and Ithaca from the pages of Lepia and Aquatic (Oct 2026). For Paros the pages of Paros Divers (amphitritecave.com, parosdivers.com), T2B, Addicted2H2O and the municipality of Paros; for Drakos–Selinitsa in the Messinian Mani Addicted2H2O, Grafas Diving, showcaves.com, the German Wikipedia and the journals of the Northern Pennine Club (1982) and Cambridge Underground (1983) (Nov 2026). The springs of Polydrosos, Kolethra and Ladonas from Addicted2H2O (also by e-mail, Nov 2026), Grafas Diving, allovergreece.com, Amazing Evia and travel.gr (Nov 2026). Pins from T2B, wannadive, showcaves, OpenStreetMap or Wikipedia (see each site); ~ = estimate. Rules change — check locally.