Écluse du Vivier, Triple lock system on Canal du Midi, Saint-Martin-Lalande, France
The Vivier lock consists of three consecutive chambers managing water levels at 154 meters elevation along the Canal du Midi waterway system.
Engineers constructed this lock structure in 1674 as part of Pierre-Paul Riquet's grand project connecting the Mediterranean Sea to the Atlantic Ocean.
The lock represents French engineering expertise from the 17th century, earning UNESCO World Heritage status as part of the Canal du Midi.
Located 68.7 kilometers from Toulouse, the lock maintains water flow between Guillermin lock to the east and Gay lock to the west.
The lock features an epenchoir system and spillway gates with an adjacent mill, demonstrating water management technologies from different periods.
Location: Saint-Martin-Lalande
Elevation above the sea: 154 m
Part of: Canal du Midi
GPS coordinates: 43.29746,1.99410
Latest update: May 24, 2025 10:19
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