Chumphon Pinnacle | Koh Tao

Chumphon Pinnacle is a submerged rock formation located approximately 10 kilometers offshore from the island of Koh Tao in the Gulf of Thailand.

This dive site is characterized by two large granite pinnacles rising from the seabed, reaching a maximum depth of 30 meters.

Visual Characteristics

The pinnacles are composed of large granite boulders, with the shallower sections reaching depths of around 12 meters. The rock surfaces are covered in a variety of marine life, including anemones, soft corals, and gorgonian fans. The surrounding seabed is sandy. Visibility can vary but often ranges from 10 to 30 meters.

Location & Access Logistics

Chumphon Pinnacle is accessible by boat from Koh Tao. Dive operators based on Koh Tao offer daily trips. The journey typically takes 30-45 minutes by speedboat. There is no direct public transport to the site; access is exclusively via organized dive tours.

Historical & Ecological Origin

Chumphon Pinnacle is a natural geological formation, likely the result of ancient volcanic activity and subsequent erosion. It serves as a significant artificial reef due to the marine life it supports, attracting a diverse ecosystem.

Key Highlights & Activities

Scuba diving is the primary activity. The site is known for frequent sightings of whale sharks, particularly during the months of February to May. Other marine life includes barracuda, trevallies, groupers, and a variety of reef fish. Snorkeling is not recommended due to the depth and currents.

Infrastructure & Amenities

There are no facilities directly at Chumphon Pinnacle as it is a submerged site. Dive boats provide all necessary amenities, including safety equipment and refreshments. Cell phone signal is generally unavailable underwater and intermittent on the boat.

Best Time to Visit

The best months for visiting Chumphon Pinnacle are generally from February to May, coinciding with the peak season for whale shark sightings. Visibility is often optimal during these months. Diving is possible year-round, but currents can be stronger during the monsoon season (October-November).

Facts & Legends

Chumphon Pinnacle is considered one of the premier dive sites in the Gulf of Thailand, often referred to as the "Manta Ray cleaning station" due to the frequent presence of these large rays. A specific tip for divers is to look for the smaller anemonefish amongst the anemones on the shallower sections of the rocks.

Nearby Landmarks

• Southwest Pinnacle (1.5km Southwest)
• Green Rock (3km Northwest)
• White Rock (4km West)
• Shark Island (4.5km South)