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world’s oldest hydrographic service

Nobody Knows It, But France Has Held The World’s Oldest Hydrographic Service Record For 305 Years, Ahead Of The UK

GSAP Staff / March 24, 2026

Buried deep within the maritime archives of France lies a remarkable, yet little-known story – the tale of the world’s oldest continuously operating hydrographic service....

Nobody knows it, but France has held the world’s oldest hydrographic service for 305 years, ahead of the United Kingdom

GSAP Staff / March 23, 2026

Beneath the waves, a centuries-old story unfolds – a tale of maritime exploration, technological innovation, and the quiet power of cartography. While the general public...