The Cassidaigne, Maritime navigation beacon in Cassis, France.
The Cassidaigne is a navigation beacon that rises from the Mediterranean waters off the coast of Cassis. The structure features distinctive black and red bands with two black spheres at its peak for visual identification by ships.
French maritime authorities established this beacon to warn ships of underwater hazards in this section of the Mediterranean. It marks a submerged elevation that poses a danger to passing vessels.
Maritime communities around Cassis and Marseille use the Cassidaigne as a reference point during traditional fishing activities and sailing events.
The beacon is surrounded by water and can only be observed from the sea, typically from boats or during coastal cruises. It is most visible during daylight when the sun clearly highlights its distinctive colors.
The beacon emits light signals at regular intervals that help sailors identify the hazardous underwater zone at night. This automated warning system operates continuously without human monitoring.
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