New Caledonia · Hienghène
La Cathédrale
Also known as: Cathedral, Cathedrale Hienghène
Best time to dive
April to November; December to March
What you might see
- Grey reef sharkLikely
- Manta rayPossible
- Sea turtlePossible
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - limited - primarily a scuba site; no dedicated snorkel tour found for this exact pinnacle
Safety notes
surge/current at tunnel entrance, low-light disorientation inside the swim-through, remote location with limited emergency services
Permits & fees
Permits and operators change - confirm before booking.
Location
Nearest hub: Hienghène
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

