All resultsExplore/Cook Islands Rarotonga/Dianas Ridge
Dianas Ridge
Avarua, Cook Islands Rarotonga, Cook Islands
EntryBoat
Max depth40 m
LevelIntermediate and up
Water bodyPacific Ocean
Water temp24–28°C
Estimated from climate dataMar–Jan
About this site
Dianas Ridge is a reef dive site near Avarua, Rarotonga, Cook Islands, in the Pacific Ocean. It is reached from a boat with a maximum depth of about 40 m. Best for divers with some experience. Marine life recorded within about 5 km (OBIS/GBIF) includes groupers, moray eels, lionfish, sea turtles, nudibranchs. Typical surface water temperature ranges from about 24 to 28 °C over the year.
Conditions by month
BestGoodMixedOctoberBest
Typically one of the best months here.
Marine life
Recorded nearby
Blue-black UrchinEchinothrix diadema
Rock-boring UrchinEchinometra mathaei
GreenfishStichopus chloronotus
LollyfishHolothuria atra
Surf RedfishActinopyga mauritiana
White Thread FishHolothuria leucospilota
Azure Sea StarLinckia laevigata
Small Giant ClamTridacna maxima
Nearby sites
- 1Labyrinth0.1 km
- 2Runway0.1 km
- 3Blackrock0.3 km
- 4Black Rock Chimneys0.4 km
- 5Black Rock Passage0.5 km
- 6FV Maritime Reefer0.8 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org