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wreckhistoricrestricted accessboat diveUnverified

NBM Dive Site Resource

Cornwallis Wreck

Adamstown, Pitcairn Islands, Pitcairn Islands

The remains of the nineteenth-century Cornwallis on Pitcairn Island’s exposed northern coast, named by official tourism material as a conditional local wreck dive.

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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
AccessConditionally arranged local boat dive for experienced certified divers during suitable weather and sea conditions. No resident dive shop, standing charter schedule, rental service or database boat relationship is represented.
ExperienceExperienced to advanced certified diver with remote-ocean, surge and wreck-site experience; guide and local authority approval required.
Maximum depthCurrent public sources do not reliably state the recreational route depth; obtain an exact depth plan and gas calculation from the local organizer before committing.
Best seasonNo guaranteed operating season. Access depends on visit dates, vessel and qualified support availability, local permission and a safe sea state.
VisibilityOften clear offshore but highly variable with north-coast swell, surge and weather.

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 coordinates-25.05700, -130.10500
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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

Remote nineteenth-century iron sailing-vessel remains and maritime history.

Before you arrive

Access notes

Arrange and reconfirm through Pitcairn Islands Tourism/local authorities before travel. Verify site identity, depth, gas, cylinders, weights, boat pickup, emergency oxygen, communications and evacuation. Do not penetrate, disturb or remove material.

Plan within your training

Conditions and hazards

Exposed coast, strong surge or current, uncertain depth, fragmented metal, entanglement, sharp wreckage, boat dependency, archaeological sensitivity and extreme evacuation delay.

At the site

Facilities and support

No represented full-service dive centre or chamber. Visitors must prearrange competent surface support, life-support equipment, breathing gas, oxygen and an evacuation plan.

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.