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Dominican Republic

Manantial El Toro 1 & 2

  • Max depth20 m (66 ft)
  • CertificationFull cave
  • Water temperature≈ 24–26 °C (75–79 °F)estimated, no reports yet
  • SpecialSidemount

The dive

A partly collapsed sinkhole leads into a network with several very pronounced haloclines: a yellow haze below 10 m in the mixing zone and opaque green water below the fresh layer.

Aggressive wasp nests on the approach, and a ceiling the DRSS expects to collapse.
Profile and sections

A partly collapsed sinkhole leads into a network with several very pronounced haloclines: a yellow haze below 10 m in the mixing zone and opaque green water below the fresh layer. Visibility in the saltwater tunnel is poor, and at Toro 2 a zero-visibility exit is normal. A jump from Toro 2 leads to Hoyo Azul, some 450 m away.

It is the country's largest system, and this is the dive for those who pick the country for its caves.

Depth and profile
Main line from about -8 m, saltwater section to -20 m · about 3.4 km of line (DRSS), penetration to about 1 km
Configuration
Sidemount only: countless restrictions in the bedding planes.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Sidemount
  • Whole caveGoes down to 20 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced diversEntry 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

Near Boca de Yuma, on the eastern edge of the park: from the entrance of Cueva de Berna 20 minutes through the brush to the left, then over boulders to the water. Tanks go by horse; only with the cave centres (about 320 USD, three tanks, full cave and 60+ cave dives).

Plan your route ↗

Around Manantial El Toro 1 & 2

Going to the Dominican Republic with your team?

Marcel finds the sites that match your team's certifications.

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Something wrong, or do you know more?Depth, access, parking, the current situation: let us know.
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.