Isthme De Miquelon-Langlade

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Isthme De Miquelon-Langlade, Sedimentary tombolo in Saint Pierre and Miquelon, France

The isthmus extends for twelve kilometers, connecting Grande Miquelon to Langlade with a width varying from 100 to 130 meters throughout its length.

The natural formation process of the isthmus began 13,700 years ago when glacial retreat caused significant changes in local sea levels through isostatic rebound.

The Conservatoire du Littoral established protection measures for this marine area in 2005, preserving its ecological characteristics for future generations.

The eastern branch of the isthmus contains the Grand Barachois lagoon, which spans nine square kilometers with a depth reaching five meters.

Two distinct branches form at the northern section, with the western Buttereaux rising twenty meters above sea level while the eastern section remains flat.

Location: Miquelon-Langlade

Location: Saint Pierre and Miquelon

Inception: 2005

Width: 130 m

GPS coordinates: 46.93889,-56.32694

Latest update: June 23, 2025 09:49

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