Dive Site: Thundercliff Cave Christmas Island WA

Silhouetted diver at thundercliff cave diving christmas island

Site Overview

Site Type: Shallow Cave, followed by Reef; occasional mega fauna
Depth: Top: 5MMedian: 7MBottom: 12M
Location: Somewhere along the dog's back, north coast

Description

There are two caves: a big open chamber with very nice blue light at the entrance and a second cave beyond and accessible via the first. Outside the cave there is a flatter reef at about 12 m which had lots of the usual reef suspects.

Thundercliff cave is one of the two caves featured in this short video.

There are two caves: a big open chamber with very nice blue light at the entrance (assuming that the sun is shining as it was for us that day), and a second cave beyond and accessible via the first.

The cave diving Thundercliff Cave at Christmas Island in Australias Indian Ocean by Diveplanit

The second cave has the more interesting stalactites and stalagmites: particularly one tall thin column which looks almost too thin, as it is almost cylindrical rather than the typical conical shape of a stalagmite. There is also a formation referred to as a hanging shroud.

Inside the cave diving Thundercliff Cave at Christmas Island in Australias Indian Ocean by Diveplanit

Outside the cave there was a flatter reef at about 12 m which had lots of the usual reef suspects: Leatherjackets, Ornate Butterflyfish and Velvet Surgeon.

Best dive site in Christmas Island is Thundercliff Cave with Outside the cave. Scuba holiday travel planning for CI - where, who and how

and a host of goldspot seabream.

Goldspot Seabream diving Thundercliff Cave at Christmas Island in Australias Indian Ocean by Diveplanit

Thereafter, as usual, it drops off at a jaunty angle.

Typical reef at edge of drop off diving Thundercliff Cave at Christmas Island in Australias Indian Ocean by Diveplanit

My dive was a little spoiled by my light playing up. And I’m convinced this Spotted Hawkfish has been following me around for days.

Stalking Hawkfish diving Thundercliff Cave at Christmas Island in Australias Indian Ocean by Diveplanit