All resultsExplore/Diana/Grand Banc Extérieur
Grand Banc Extérieur
Hell-Ville, Diana, Madagascar
EntryBoat
Max depth25 m
LevelEstimated: Intermediate and up
Water bodyMozambique Channel
Water temp26–29°C
Estimated from climate dataApr–Nov
About this site
Grand Banc Extérieur is a dive site near Hell-Ville, Diana, Madagascar, in the Mozambique Channel. It is reached from a boat with a maximum depth of about 25 m. Commonly reported marine life includes hammerhead sharks, reef sharks, barracuda. Typical surface water temperature ranges from about 26 to 29 °C over the year.
Conditions by month
BestGoodMixedOctoberBest
Typically one of the best months here.
Marine life
Recorded nearby
Blue-spotted StingrayTaeniura lymma
Whale SharkRhincodon typus- Freckled DriftfishPsenes cyanophrys
Semicircle AngelfishPomacanthus semicirculatus
SharksuckerEcheneis naucrates
Silky SharkCarcharhinus falciformis
BarracudaSphyraena
Hammerhead SharksSphyrnidae
Nearby sites
- 1Shark Point Madagascar0.7 km
- 2Abyss4.1 km
- 3Banc 0612 km
- 4Banco Rosario12 km
- 5Shark Point13 km
- 6Sea Fan’s Drop13 km
Straight-line distances.
Sources: OpenDiveMap (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org