Le Grand Banc Externe
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Nosy Be, Madagascar
Best timeSeptember to December
Water temp25-29°C / 77-84°F
Visibility20-40m / 65-130ft
AccessBoat Dive
Dive typesScuba
DifficultyAdvanced
Max depth40 m
Avg depth25 m
Nearest airportNOS
PinnacleSharksPelagic action
Scuba
Le Grand Banc Externe is a large offshore pinnacle near Nosy Be that is a magnet for pelagic life. Its exposed location and strong currents make it the best place in the area to see a variety of sharks, including grey reef, silvertip, and sometimes hammerheads.
Features
A large, deep offshore seamount that attracts strong currents. This is the premier shark dive in the Nosy Be area, with a high chance of seeing grey reef sharks, whitetip reef sharks, and silvertip sharks.
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