All resultsExplore/Cook Islands Rarotonga/Black Rock Passage
Black Rock Passage
Avarua, Cook Islands Rarotonga, Cook Islands
EntryBoat
Max depth25 m
LevelBeginner-friendly
Water bodyPacific Ocean
Water temp24–28°C
Estimated from climate dataMar–Jan
About this site
Black Rock Passage 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 25 m. Generally suitable for beginners. Marine life recorded within about 5 km (OBIS/GBIF) includes moray eels, lionfish, groupers, jacks, octopus. 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
White Thread FishHolothuria leucospilota
LollyfishHolothuria atra
Surf RedfishActinopyga mauritiana
Azure Sea StarLinckia laevigata
Small Giant ClamTridacna maxima
Nearby sites
- 1Black Rock Chimneys0.1 km
- 2Blackrock0.2 km
- 3FV Maritime Reefer0.3 km
- 4Labyrinth0.5 km
- 5Dianas Ridge0.5 km
- 6Runway0.6 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org