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reefcavernUnverified

NBM Dive Site Resource

Rondão do Alvo

Lagos, Faro District, Portugal

UNVERIFIED — Lagos reef with a documented cave feature; overhead entry requires suitable training and equipment. This editorial profile requires local confirmation; map placement is display-only and deliberately unsuitable for navigation.

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Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterMarine
Accessboat
ExperienceAdvanced Open Water
Maximum depthCurrent exact-site source lists a maximum depth of approximately 22 m. Use only the depth and route allowed by certification, gas plan, conditions and the operator.
Best seasonDiveable year-round when sea state and operator schedules permit; spring through autumn is generally more reliable. Confirm wind, swell, current, visibility, protected-area rules and local closure status on the dive day.
VisibilityAtlantic visibility is variable and may change rapidly with swell, tide, runoff, plankton and depth; exact-site sources commonly describe roughly 2–20 m. Confirm on the dive day.

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Site media

Photographs

Three views rotate from the published gallery on each visit.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

Published reference location

Location map

The marker shows the public coordinates associated with this profile. Confirm current access, moorings, and departure details before the dive.
Published reference coordinates37.06700, -8.70100
Open in Google Maps ↗
Map zoom level 1 of 11

Map data © OpenStreetMap contributors

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.
Automatically checked
No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

Lagos reef with a documented cave feature; overhead entry requires suitable training and equipment.

Before you arrive

Access notes

Current sources describe guided boat access; departure point, mooring or shot line and exact route are operator decisions. The displayed coordinates are a rounded locality marker only and are not for navigation.

Plan within your training

Conditions and hazards

overhead hazard, surge, low light, current and boat recovery. Stay within certification and gas limits; use a local guide and current site briefing. Do not enter any wreck, cave, grotto, arch restriction or passage without matching overhead training, redundant equipment, lights and a continuous guideline.

At the site

Facilities and support

Use a current local dive centre for guides, cylinders or fills, rental equipment, boat or shore logistics, protected-area compliance and emergency planning; availability must be confirmed for the date.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.