NBM Dive Site Resource
Ulong Channel
Koror, Koror State, Palau
A coral-lined channel off Ulong Island where incoming tide can produce a fast drift past dense hard-coral habitat and schooling fish.
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Historic Picture Placeholder
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.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
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.
Contributor media
Dive videos
Three featured video positions are reserved on every profile.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.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.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.
Why divers know this place
Highlights
Hard-coral channel, schooling fish, sharks and a high-energy drift when conditions align.
Before you arrive
Access notes
Boat access with a local guide. The route and whether the channel is entered depend on tide; carry the operator-required surface marker.
Plan within your training
Conditions and hazards
Fast current, reef contact, separation, boat pickup and rapidly changing tide. Do not hook or touch living coral.
At the site
Facilities and support
Boat-based facilities; verify permit, oxygen, communications and drift-diving procedures.
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.