Sierra Mazateca, Oaxaca
Huautla Resurgence (Río Santo Domingo)
Info · exploration
Expeditions only: a sump 1.4 km long and 65 m deep with camps beyond it; no operator takes visiting divers.
- Max depth65 m (213 ft)
- CertificationFull cave
- SpecialExperienced divers
Diving and fills
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Now at Huautla Resurgence (Río Santo Domingo)
The dive
Where the water of Sistema Huautla comes out. In 2001 Jason Mallinson and Rick Stanton explored the underwater river for just over a kilometre, to an air bell where a passage leads off 10 m above the water.
Part of Sistema Huautla. Also in this system: Sótano de San Agustín (Sistema Huautla)
Profile and sections
Where the water of Sistema Huautla comes out. In 2001 Jason Mallinson and Rick Stanton explored the underwater river for just over a kilometre, to an air bell where a passage leads off 10 m above the water. From 2016 Andreas Klocker and Zeb Lilly's Beyond the Sump expeditions searched further; in 2017 they camped twice beyond the 1.4 km sump and mapped 1.5 km of dry passages with fine calcite formations. The way through to Huautla has not been found yet.
- Depth and profile
- A sump 1.4 km long and 65 m deep (2017), with dry passages beyond.
- Configuration
- Expedition dive; the teams camped beyond the sump.
Who can dive where
- At least Full cave
- Configurations: Backmount / twinset / Sidemount / CCR
- Configuration unknown — research beforehand
- Goes down to 65 m (trimix or deco may be needed)
- Experienced divers only
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 canyon of the Río Santo Domingo, some 10 km from the end of the line in Sump 9. A dye trace confirmed that the water of Sistema Huautla comes out here.
Around Huautla Resurgence (Río Santo Domingo)
FillsNo fill station known nearby
No provider in the Sierra Mazateca yet
The caves here are listed as information only: we don't know a dive centre, guide or club yet that takes visitors, so you can't plan a trip here yet. Do you know one, or are you one? Let us know.