A boat lift, ship lift, or lift lock is a machine for transporting boats between water at two different elevations, and is an alternative to the canal lock and the canal inclined plane

Canal inclined plane

An inclined plane is a system used on some canals for raising boats between different water levels. Boats may be conveyed afloat, in caissons, or may be carried in cradles or slings. It can be considered as a specialised type of cable railway....

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It may be either vertically moving, like the ship lifts in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

, the lift at "Les Fontinettes

Fontinettes Boat Lift

The Fontinettes Boat Lift was built in the late 19th century in Arques, near Saint-Omer in the Pas-de-Calais to connect the River Aa and the Neufossé Canal in France....

" in France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 or the Anderton boat lift

Anderton Boat Lift

The Anderton Boat Lift near the village of Anderton, Cheshire, in north-west England provides a vertical link between two navigable waterways: the River Weaver and the Trent and Mersey Canal....

 in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, or rotational, like the Falkirk Wheel

Falkirk Wheel

The Falkirk Wheel is a rotating boat lift located in Scotland, UK,connecting the Forth and Clyde Canal with the Union Canal, opened in 2002. It is named after the nearby town of Falkirk which is in central Scotland...

 in Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

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The first known boat lift was a 2.5 ton tub boat lift

Tub boat lift

A tub boat lift is a type of boat lift designed to lift tub boats between different elevations of a canal. Tub boats are small boats used to transport coal and other minerals, sometimes working singly, sometimes in long trains. A tub boat lift lifts the boat out of the water...

 on the Churprinz mining canal in Halsbrücke

Halsbrücke

Halsbrücke is a municipality in the district of Mittelsachsen, in Saxony, Germany....

 near Dresden

Dresden

Dresden is the capital city of the Free State of Saxony in Germany. It is situated in a valley on the River Elbe, near the Czech border. The Dresden conurbation is part of the Saxon Triangle metropolitan area....

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