English Channel

The English Channel, also for some time known as the British Sea (French: La Manche, "the sleeve") is the part of the Atlantic Ocean that separates the island of Great Britain from northern France, and joins the North Sea to the Atlantic Ocean. It is about 563 km (350 mi) long and at its widest is 240 km (150 mi). The Strait of Dover ("Pas de Calais" to the French) is the narrowest part of the channel, being only 34 km (21 mi) from Dover to Cap Gris-Nez, and is located at the eastern end of the English Channel, where it meets the North Sea.

Formation of the Channel

Before the end of the last ice age, around 10,000 years ago, the British Isles were part of mainland Europe. As the icesheet melted, a large freshwater lake formed in the southern part of what is now the North Sea. The outflow channel from the lake entered the Atlantic Ocean in the region of Dover and Calais.

Related Topics:
Ice age - British Isles - North Sea

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At some point around 6500 BC, catastrophic erosion swept away the chalk to create the English Channel, which has since been further widened by wave action on the soft, chalk cliffs. The same mechanism continues to widen the English Channel today.

Related Topics:
6500 BC - Erosion - Chalk - Wave action

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