description Le Colbart Overview
A sandbank ridge in the Strait of Dover off the northern French coast, presenting a navigational hazard amid the world's busiest shipping lanes passing through the Pas-de-Calais.
help Le Colbart FAQ
Where is Le Colbart located in relation to the Dover Strait?
Le Colbart is a sandbank ridge in the Strait of Dover, off the northern French coast. The same waterway is also called the Pas-de-Calais.
Why is Le Colbart a problem for ships?
Le Colbart is a shallow sandbar in one of the world's busiest shipping areas, so depth and seabed changes matter to navigation. The surrounding Pas-de-Calais also has strong tides, sandbanks and shoals.
Is Le Colbart a port or an island?
No. Le Colbart is a submerged sandbank ridge and navigational hazard in the Strait of Dover, not a port or inhabited island.
How is Le Colbart monitored?
Hydrographic surveys check the seabed and assess possible effects on shipping. The UK Hydrographic Office published a 2025 survey assessment for the North Head of Le Colbart. [UK Hydrographic Office](https://www.gov.uk/government/publications/dover-strait-ds1-north-head-of-le-colbart-2025)
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