Chumphon Pinnacle

headline offshore pinnacle, anemone-covered top, schooling fish and whale shark reputation

Overview

Best for: Advanced divers, confident OW, fun divers, deep students and big-fish lovers
Not ideal for: nervous beginners, DSD, weak swimmers or shallow reef seekers
Vibe: big, deep, fishy, exciting and busy
Must-do or easy local site: must-do for certified divers

Depth and Certification Level

Depth: about 14-35 m; top around 14-16 m
Beginners: not true beginners
Open Water: not standard OW course
Advanced Open Water: yes, classic Deep site
Recommended certification: Advanced recommended; confident OW may do shallow top with guide
Guide recommended: strongly recommended

Marine Life and Underwater Scenery

Landscape: large submerged granite pinnacle, satellite rocks, fissures, anemone fields and deeper sand
Common marine life: batfish, barracuda, trevally, fusiliers, queenfish, groupers, snappers and anemonefish
Special sightings: whale sharks, cobia, great barracuda, Jenkins rays and sea snakes
Macro life: yes but not main focus
Bigger fish: yes, one of Koh Tao's best
Coral and reef scenery: anemone/pinnacle scenery more than shallow coral garden
Photography: excellent wide angle when visibility is good

Conditions and Hazards

Visibility: variable, can be excellent or planktonic
Current: common
Weather sensitivity: offshore/exposed and condition-dependent
Shelter/exposure: exposed
Wind and sea conditions: north/west/northwest/offshore swell
Hazards: depth, current, blue-water ascent, NDL, crowds and fishing line
Swim-throughs/caves: fissures/swim-through features if suitable
Wreck penetration: No, unless this is a wreck-specific page. For HTMS Sattakut only, penetration requires proper wreck training, equipment and supervision.

Typical Dive Profile

descend line, deeper side first, circle pinnacle/satellites, finish shallow on anemone top

Morning/afternoon/full-day: morning
Boat time: 35-50 minutes; longer from Chalok
Night diving: not standard
Dive schools: yes for AOW/fun dives
Busy with boats: yes, famous site

Courses and Skills

Try dives: no
Refreshers: not first refresher
Deep dives: yes, excellent
Navigation: moderate
Buoyancy: yes for refining, not learning
Specialties: deep, photo, fish ID, naturalist

Local Advice

Chumphon Pinnacle is one of Koh Tao’s headline advanced dive sites, with a top around 14–16 m, deeper sections, possible current, big schools of fish and a strong whale shark reputation. Newly certified divers should go with an instructor or experienced guide when conditions allow.

Nearby Paired Sites

White Rock, Green Rock, Twins, Mango Bay

Southwest Pinnacle | Sail Rock | Diving in Koh Tao

Local Tips

What makes it different: Koh Tao's iconic offshore fun dive
Manage expectations: whale sharks not guaranteed and it can be busy
Best thing: scale and possibility
Main downside: busy/deep/currenty
Tip: go early, watch depth, and don't burn no-deco time chasing fish