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Dominican Republic

Manantial de Porfidia

  • Max depth9 m (30 ft)
  • CertificationFull cave
  • Water temperature≈ 24–26 °C (75–79 °F)estimated, no reports yet
  • SpecialSidemount

Diving and fills

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The dive

The line starts just below the surface and is shallow and silty for the first 20 m. Then come a wide bedding plane with a gas pocket, a large cavern and a tight restriction.

Profile and sections

The line starts just below the surface and is shallow and silty for the first 20 m. Then come a wide bedding plane with a gas pocket, a large cavern and a tight restriction. The water is crystal clear, with 'wild' haloclines.

Depth and profile
Max about -9 m
Configuration
Sidemount; a tight restriction after the cavern.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount
  • Whole caveGoes down to 9 m (trimix or deco may be needed) · doesn't decide who may dive
Dry sections / haulingEntry 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.

How to get there

In the middle of a village in La Altagracia, on a small lot behind a colmado: down a sink, then about 100 m of slippery dry cave to the sump. Twins are hard to get through there.

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Around Manantial de Porfidia

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Sources, sharing and disclaimer

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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 (DRSS dr-ss.com, Dive Dominicana, Dominican Divers, Scuba Diving, Advanced Diver, World Nomads, divemasteraustin.com, showcaves.com, godominicanrepublic.com, Dominican press, DAN; Oct 2026), the book Las cuevas sumergidas de República Dominicana (environment ministry / Fundación Espeleobuceo Hispaniola, 2003; facts only); Dive Dominicana's gases and prices confirmed by Dive Dominicana, and Golden Arrow's details by Golden Arrow (Oct 2026). Oleg's Bat House and Sistema La Negra were added in Nov 2026 (DRSS, Dive Dominicana, Dominican Divers, and for Oleg's Bat House Caving News and DR1 after Listín Diario, 2011). The DRSS descriptions date from around 2013. Pins only where a source gives them; the caves on private land around Santo Domingo deliberately without a pin. Rules, prices and access change — check with your guide.