Map location of El Tubo
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El Tubo

Advanced volcanic tunnel dive off Garachico

Scuba DivingBoatAdvanced
CaveDeep

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Boat-reached Garachico lava tube with an overhead route, narrow entry, and calm-weather planning needs for experienced divers.

About El Tubo

El Tubo is a boat-reached volcanic lava tube off Garachico, with a narrow dark entrance that opens into a long single-path passage through basalt and skylights. It suits experienced divers who are comfortable with buoyancy control, torch use, and calm-sea planning for an overhead route with strong light-and-shadow contrasts.

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Research Estimate At El Tubo

Conservative baseline from public research. No community dives logged yet.

VisibilityVisibility: 20m
AccessModerate entry effort
Aquatic LifeAverage variety
FacilitiesBasic facilities
CurrentLight current
SurgeModerate surge

Where Is El Tubo?

Map location of El Tubo
This spotNearby spots
Community sourced coordinates.

El Tubo Planning Details

Depth range, seasonality, and planning context.

Reported Depth

12m - 35m

Depth Note

The lava tube entrance starts around 12 m and the formation extends to about 35 m, widening with depth and ending at a larger exit.

Best Season

Year-round; best in calmer summer months.

Typical Conditions

A dark volcanic tunnel with skylights and a low-current baseline, but north-coast swell and harbor traffic can make it less comfortable when the sea is up.

Safety & Access At El Tubo

Hazards, restrictions, and access requirements.

Key Hazards

Boat trafficOverhead environmentRestricted access

Safety Notes

This is an overhead lava-tube cavern with a small entrance and deeper sections; use appropriate cavern training/equipment and maintain clear navigation and gas planning.

Access Restrictions

Boat access, overhead routing, and a torch make this an experienced-dive site; use a local operator and wait for calm conditions.

Legal Notes

Use a licensed local operator and follow Garachico harbor rules before entry.

Local Intel For El Tubo

Community notes to help plan your visit.

Scuba Diving

Boat-reached volcanic cave dive through a single-path lava tube with skylights, best for divers who are comfortable managing buoyancy and a torch.

Freediving

Not a practical freedive target; the tunnel is an overhead scuba dive that benefits from buoyancy control and a light.

Snorkeling

Not a snorkel site; the interesting section is too deep and enclosed for casual surface use.

El Tubo Dive Conditions Planner

Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at El Tubo.

Current Snapshot
No data
🌥️Variable
Sunrise
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Sunset
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Surface / Entry
Wind No data · Tide No data
Great
Sea State
Swell No data · Period unavailable
Great
Visibility Outlook
Rain chance No data
Great
Wind
No data
Swell
No data

Exposure Profile at El Tubo

Directional shelter context for incoming swell.

Exposure Note

Hourly forecast data is not available yet.

Wildlife at El Tubo

Species commonly reported at this site, with direct links into their wildlife guides.

Recent Logged Visits At El Tubo

Community dive logs and visit reports for this site.

No Dive Logs Yet

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Dive Spot Log Averages At El Tubo

Average conditions based on logged dives & visits.

Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
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El Tubo Guide - Frequently Asked Questions

Planning answers for access, conditions, timing, and site logistics.

El Tubo Guide - Sources and Updates

Last Updated

Research Sources

divemagazine.com · Magazine Article

Independent feature on Garachico's lava tube and swell sensitivity.

elpais.com · News Article

Dive-travel article with site depth, visibility, and operator context.

locuradiving.com · Operator Page

Operator page with cave shape, boat entry, and marine life.

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