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Dominican Republic

El Árbol

  • Max depth14 m (46 ft)
  • CertificationFull cave
  • Water temperature≈ 24–26 °C (75–79 °F)estimated, no reports yet
  • SpecialSidemount

The dive

The passage drops to about -8 m before a tight restriction. The silt is super fine and deep: whoever goes to the end of the line gets, per the DRSS, a 'guaranteed' zero-visibility exit.

Profile and sections

The passage drops to about -8 m before a tight restriction. The silt is super fine and deep: whoever goes to the end of the line gets, per the DRSS, a 'guaranteed' zero-visibility exit. The DRSS has a map of the cave.

Depth and profile
Average -12 m, max -14 m · 270 m of line (DRSS map)
Configuration
Sidemount recommended: tight entrance and low ceilings.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount
  • Whole caveGoes down to 14 m (trimix or deco may be needed) · doesn't decide who may dive
Permission neededEntry 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

About 1 km west of Dudú, across the road: over a barbed-wire fence, 40 m through a field to the sinkhole at the only big tree, then ten minutes down. Private farmland. Through the cave centres.

Plan your route ↗

Around El Árbol

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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.