Koh Tachai, West Reef

4.0 (1 review)

Intermediate/Advanced

Pinnacle site with strong currents, attracting large pelagics.

Boat Access
9m Avg Depth
19m Max Depth

About this dive site

This dive site, often called the “Pinnacle” or “Twin Peaks,” is characterized by massive granite boulders forming an impressive underwater landscape and a vibrant coral garden spanning depths from 12 to 40 meters. Divers typically navigate around these large rock structures, often experiencing exhilarating drift dives due to the prevailing currents. There is no specific historical story provided for the site.

The site is a renowned hotspot for large pelagic species, frequently visited by majestic manta rays and awe-inspiring whale sharks. Other significant marine life includes schools of barracudas, tuna, and resident leopard sharks. The reef also boasts a rich diversity of reef fish, complemented by abundant gorgonian fans and colorful soft corals adorning the granite boulders.

The best time to visit Koh Tachai West Reef for encounters with large pelagics like manta rays and whale sharks is typically during the high season, from November to April. Divers should be prepared for strong currents, making it an ideal location for experienced divers comfortable with drift diving. Freedivers can also enjoy the shallower areas and the potential for big animal encounters, but must remain aware of current conditions.

DivingFreedivingSnorkeling

Site Ratings

Big Marine Life Excellent
Macro Marine Life Very Good
Landscape Quality Excellent
Water Visibility Very Good Viz

Plan Your Visit

drift divesharkmanta raywhalecoral reefstrong currentswide angleadvanced onlypinnacle

Things to Note

Difficulty:

Intermediate/Advanced

Strong currents and potential for open ocean encounters require experience and good buoyancy control.

Hazards:
strong currents
Current Strength:

Strong

Plan Your Dive

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This dive site information and pictures are sponsored by Merlin Divers Co.

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