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FreshwaterCaveOverheadTechnical DiveExpeditionUnverified

NBM Dive Site Resource

Harasib Cave

Grootfontein, Otjozondjupa Region, Namibia

UNVERIFIED — Harasib Cave is a private flooded cave system distinct from nearby Dragon's Breath Cave. A March 2025 technical feature reports active Scapehander exploration to 179 m; official tourism material treats it as an advance-booking extreme activity.

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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
WaterFreshwater
AccessPrivate-land permission and a bespoke expedition are required. Official tourism material advises booking at least three months ahead and notes that preparation can take up to a week. Reconfirm current acceptance.
ExperienceElite expedition cave divers only with current cave, mixed-gas, deep decompression, SRT, rescue and expedition experience.
Maximum depthA March 2025 feature reports exploration to 179 m. Treat this as expedition history, not an available target.
Best seasonNo public season. Access depends on landowner approval, long lead time, rigging and expedition conditions.
VisibilityPotentially clear blue water, but darkness, chamber size, silt and disturbance can impair visibility and orientation.

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-19.49000, 17.76000
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Map zoom level 6 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

Large flooded karst system and current extreme-depth exploration.

Before you arrive

Access notes

Deliberately coarse farm-area display point offset for map readability—not the entrance, rope station, water access, guideline or waypoint.

Plan within your training

Conditions and hazards

Restricted private land, vertical access, falls, overhead, extreme depth, hypoxic gas, decompression, darkness, silt-out, line loss, equipment failure and remote response.

At the site

Facilities and support

No routine public facilities verified. Teams must establish rigging, gases, oxygen, communications, surface support and evacuation capability.

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.