Herald Reef (Coordinates: ) is a reef 1 nautical mile (2 km) southwest of Petermann Island, lying on the north side of French Passage in the Wilhelm Archipelago, Antarctica. It was first charted by the French Antarctic Expedition, 1908–10, under Jean-Baptiste Charcot. It was so named by the UK Antarctic Place-Names Committee in 1959 because this reef heralds the approach to French Passage from the east.
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