Ascenseur à bateaux des Fontinettes
Monument
Ascenseur à bateaux des Fontinettes, located in Arques (Pas-de-Calais), is a medieval landmark built in the Middle Ages. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Period
- Medieval (11th-15th century)
- Location
- Arques, Pas-de-Calais, Hauts-de-France
- Visit
- Closed to visitors
- GPS
- 50.7309, 2.3052
- Mérimée Reference
- PA62000143
An industrial feat of the 19th century, the Fontinettes boat lift is the only hydraulic lift of its type still visible in France - a colossus of cast iron and steel that lifted entire barges.
History
On the Neufossé canal, at Arques in the Pas-de-Calais, stands one of the most spectacular witnesses to the industrial revolution applied to inland waterway transport: the Fontinettes boat lift. Built between 1883 and 1887, this giant hydraulic lift enabled barges to negotiate a height difference of around thirteen metres without having to go through a long series of locks. Today, it is a unique sight on French soil, a listed monument and a vestige of an era when civil engineering pushed back the limits of what was possible. What immediately strikes visitors is the scale of the machine. Two metal tanks - veritable suspended navigable basins - rose and fell in perfect balance, driven solely by hydraulic pressure. The barge entered one of the tanks, the water acted as a natural counterweight via a double press system, and the boat was gently raised or lowered, ready to continue on its way. To see the structures still in place is to instinctively understand the logic of the mechanism with an almost pedagogical clarity. The visitor experience is a blend of technical wonder and industrial reverie. The site retains all the pylons, iron arms and tanks of the original lift, whose imposing proportions contrast with the tranquillity of the surrounding canal. A new, modern lock chamber has been in place since 1967, and can be seen nearby, underlining the boldness of the 19th-century hydraulic solution. The artesian setting - changing skies, green banks, contemporary barges gliding along the water - adds a poetic dimension to the visit. Interpretative panels and a museum area help visitors to understand how the machine works and its historical context. Photographers, lovers of industrial heritage and curious families will all find something to suit them, in an atmosphere that is both learned and accessible.
Architecture
The Fontinettes lift is a monumental metal structure made up of two navigable tanks - or caissons - suspended from riveted cast-iron and steel frames. Each tank, some forty metres long and several metres wide, was capable of accommodating a barge loaded with the water it needed to float. The whole structure rests on brick and stone masonry blocks, typical of the civil engineering of the Third Republic, giving the structure a solid foundation and a resolutely industrial silhouette. The central mechanism was based on two vertical hydraulic cylinders, the pistons of which were attached to each tank. When water was pressurised in one of the cylinders, the corresponding tank was lowered and, at the same time, the other tank was raised, in accordance with the principle of communicating vessels applied to the scale of navigation. A difference in level of around thirteen metres was thus crossed in just a few minutes, compared with several hours for a passage through the five locks that had been replaced. The legibility of the mechanism is one of the architectural qualities of the structure: the pylons, articulated arms, piston rods and feeder aqueducts are visible and easy to understand, transforming the machine into a life-size demonstration of the principles of hydraulic physics. This constructive transparency, typical of Victorian engineering and its influence on the continent, makes the Fontinettes lift a rare and eloquent example of Europe's industrial river heritage.
Related Figures
Edwin Clark — ingénieur britannique concepteur de l'ascenseur d'Anderton (1875), modèle direct de l'ouvrage des FontinettesIngénieurs des Ponts et Chaussées — maîtres d'œuvre de la construction entre 1883 et 1887Les mariniers artésiens — usagers quotidiens de l'élévateur pendant près de quatre-vingts ans, acteurs de la mémoire vivante du site
Tags
Frequently Asked Questions
Where is Ascenseur à bateaux des Fontinettes located?
Ascenseur à bateaux des Fontinettes is located in Arques, Pas-de-Calais department, Hauts-de-France region, France.
When was Ascenseur à bateaux des Fontinettes built?
Ascenseur à bateaux des Fontinettes dates back to a period built in the Middle Ages (11th-15th century).
Is Ascenseur à bateaux des Fontinettes open to visitors?
Ascenseur à bateaux des Fontinettes is currently closed to visitors.