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Site profile for Hin Ngam at Koh Rok Nai.
Dive Spot Guide•
Hin Ngam Koh Rok
Rocky coral reef on Koh Rok Nai with a shallow slope and steady marine life.
Boat-access reef in Mu Ko Lanta National Park with shallow boulders, a coral slope, and good snorkel and dive value. Currents vary by day.
About Hin Ngam Koh Rok
Hin Ngam Koh Rok is a rocky coral reef on the southwest side of Koh Rok Nai, with boulder-strewn shallows and a sloping reef that holds steady marine life. It works well as a boat dive for training, relaxed reef cruising, and calm snorkel sections, with enough structure to stay interesting without feeling crowded. The site is best approached as a reef with variable water movement rather than a fully sheltered bay.
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Research Estimate At Hin Ngam Koh Rok
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessSimple entry
CoralHealthy coral
Aquatic LifeGreat variety
FacilitiesBasic facilities
CurrentLight current
SurgeFlat calm
Where Is Hin Ngam Koh Rok?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Hin Ngam Koh Rok Planning Details
Depth range, seasonality, and planning context.
Reported Depth
1m - 25m
Depth Note
The dive starts in shallow boulder fields and then slopes from about 7-8m down to 18m+; the site guide lists 1-25m+.
Best Season
November to April, before the monsoon closure window.
Typical Conditions
Clear water, a gently sloping reef, and usually mild to medium currents. Conditions are easiest on calm weather days and can become livelier when the current picks up.
Safety & Access At Hin Ngam Koh Rok
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Keep buoyancy tight around the boulders and coral slope, and plan for current changes if the weather moves in.
Access Restrictions
Seasonal monsoon closures apply to the smaller islands, and overnight camping requires park permission.
Legal Notes
Follow Mu Ko Lanta National Park rules, including closure windows and ranger instructions. Overnight stays and camping are by permission only.
Local Intel For Hin Ngam Koh Rok
Community notes to help plan your visit.
Scuba Diving
The shallow bay and sloping reef make this a practical reef dive for training, multilevel profiles, and relaxed sightseeing on calm days.
Freediving
Shallow reef edges may suit very experienced freedivers on calm days, but the site is better treated as a scuba and snorkel reef.
Snorkeling
The shallow reef and bay sections are snorkel-friendly, especially when seas are calm.
Wildlife at Hin Ngam Koh Rok
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Hin Ngam Koh Rok
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Hin Ngam Koh Rok
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
