Briare Canal
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The Briare Canal is one of the oldest canals in France. Its construction started in 1604. It was the first summit level canal in Europe that was built using pound locks, connecting the Rhone-Saône and
Briare canal in Montbouy
Briare canal in Rogny-les-Sept-Écluses. The old seven lock staircase is in the background
Lock (water navigation)
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A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is
Briare Canal
…pronounced ) is one of the oldest canals in France. Its construction started in 1604. It was the first summit level canal in Europe that was built using pound locks, connecting the Rhone-Saône and Seine valleys. It is 57 kilometres (35 miles) long and is part of the Bourbonnais route from Saint-Mammès on the Seine…
Canal lock and lock-keeper's cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Buckinghamshire, England
Lock on the River Neckar at Heidelberg in Germany
Three Gorges Dam lock near Yichang on the Yangtze river, China
Operation of a canal lock 1–3. Boat enters 'empty' lock 4. Bottom gates are closed, bottom paddles closed, top paddles opened, lock starts to fill 5. Lock is filling with water, lifting boat to the higher level