ArcelorMittal (Groot-Sinten, France)
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General information about ArcelorMittal
ArcelorMittal is one of the world’s largest steel producers. In addition to the former Sidmar site in Belgium, it operates a massive facility with no fewer than four blast furnaces in Groot-Sinten (Grande-Synthe). This facility is located in the port area of the city of Dunkirk. It was formed through the merger of three factories, including the well-known USINOR (which acquired the Walloon company Cockerill-Sambre in 1998). You can see the steel plant very clearly from the dike (Digue du Braek) leading to the “Le Feu de Saint-Pol” lighthouse. The site covers a total area of about 7 km². One advantage of this location is that it can be directly supplied with coal and iron ore via seagoing vessels. We are actually talking about two sites located next to each other: Grande Synthe and Mardyck.
The installations are nothing short of breathtaking. You actually have to go see them up close to see just how grand everything is:
- there is a coking plant (where softer, impure coal is reprocessed into strong, purer coke),
- a sintering plant (where raw iron ore is burned and converted into purer sinter of the right grain size)
- blast furnaces (where iron ore is transformed into liquid steel),
- rolling mills (where steel sheets are made),
- a power plant (blast furnaces need pre-heated air),
- and so on.
At night, everything looks even more impressive: the photos below speak volumes. ArcelorMittal, formed from the merger of Arcelor with the Indian Mittal family, is the world's largest steelmaker, producing 100 million tons of steel a year. Today's largest blast furnaces have a furnace diameter of about 14 meters and can yield up to 3.6 million tons of steel a year.
On the site, there is an Engie gas power plant. It is known as DK6 and has been operational since 2005. Gross capacity there is of 790 megawatts. One third (255 MW) of this power goes to ArcelorMittal, the rest (535 MW) is sold on the general electricity market.
Company visits are possible: contact Dunkerque Tourisme (see group visits section).
Newsletters
Visitor tips
Algemene tips:
1) zoekt U naar andere bezienswaardigheden in de buurt, raadpleeg dan onze Toeristische kaart van Top.Vlaanderen.
2) U kan onze overzichtslijsten raadplegen: per categorie ( bijv. tijdslijn, grootte, …) of per regio
3) U kan ook altijd de lokale toeristische diensten raadplegen :
Groot-Sinten / Grande-Synthe, Noorderdepartement, Hauts-de-France, Frankrijk: 20.331 inwoners op 21 km². | ||||
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Samenwerkingsverband: CU de Dunkerque. Parent tourist regions: | ||||
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Tip 1: Make sure you have a GPS with you as you move through the port of Dunkirk: after all, it is very large, several streets are dead ends and getting lost is a possibility. So a GPS is not an unnecessary luxury. ArcelorMittal can be found under gate numbers 2850-3000. If you look for these gate numbers you will end up at entrance gates to the plant and see the plant from the land. If you want a different view, via the sea, then go via the dike of Braek.
Tip 2: If you visit the ArcelorMittal site via the very wide embankment of Braek, it is best to walk up to the historic art deco lighthouse of Saint-Pol. At the foot of this lighthouse, you can also see a colony of seals see. Nice touch, right?
Tip 3: If you want to go to the factories at night (to take beautiful night photos there, for example), you cannot go via the dike of Braek: it will be closed. There is a parallel road on this dike, but it is a service road and may not be used by the general public.
Geographical information
Address: Rue du Comte Jean, 59760 Groot-Sinten, Nord Department, Hauts-de-France, France
Geographic coordinates:
– Google Maps: Latitude = 51.0253064 – Longitude = 2.2923346
– OpenStreetMap: Latitude = 51.025255 – Longitude = 2.292671
– Altitude h = 7 m
ArcelorMittal location on:
Tourist map from Top.Vlaanderen – Google Maps – OpenStreetMap.
Route to ArcelorMittal: Route via Google Maps
Meteo
18°C
| Day | Condition | Temperature | Precipitation | Rain Chance | Wind | Humidity | Pressure |
|---|---|---|---|---|---|---|---|
|
Today
9:00 p.m.
|
 moderate rain
|
18° | 26°°C | 1 mm | 100% | 14 Km/h | 89 % | 1021 mb |
|
Tomorrow
9:00 p.m.
|
 light rain
|
16° | 21°°C | 0.8 mm | 80% | 20 Km/h | 90 % | 1017 mb |
|
Sun, May 26
9:00 PM
|
 very light cloud cover
|
13° | 23°°C | 0 mm | 0% | 15 Km/h | 89 % | 1017 mb |
|
ma jun 26
21:00
|
light rain
|
14° | 22°°C | 1 mm | 100% | 19 Km/h | 94 % | 1011 mb |
|
di jun 26
21:00
|
light rain
|
13° | 20°°C | 0.39 mm | 39% | 22 Km/h | 94 % | 1010 mb |
| Hour | Condition | Temperature | Precipitation | Rain Chance | Wind | Humidity | Pressure |
|---|---|---|---|---|---|---|---|
|
Today
9:00 a.m.
|
light rain
|
20° | 22°°C | 1 mm | 100% | 7 Km/h | 81 % | 1021 mb |
|
Today
12:00
|
 partly cloudy
|
23° | 26°°C | 0.56 mm | 56% | 3 Km/h | 57 % | 1020 mb |
|
Today
3:00 p.m.
|
partly cloudy
|
26° | 26°°C | 0 mm | 0% | 9 Km/h | 43 % | 1017 mb |
|
Today
6:00 p.m.
|
light rain
|
19° | 19°°C | 1 mm | 100% | 14 Km/h | 76 % | 1016 mb |
|
Today
9:00 p.m.
|
moderate rain
|
18° | 18°°C | 1 mm | 100% | 5 Km/h | 89 % | 1017 mb |
|
Tomorrow
12:00 AM
|
 slightly cloudy
|
17° | 17°°C | 0.8 mm | 80% | 3 Km/h | 90 % | 1015 mb |
|
Tomorrow
03:00
|
light rain
|
16° | 16°°C | 0.35 mm | 35% | 11 Km/h | 90 % | 1014 mb |
|
Tomorrow
06:00
|
cloudy
|
17° | 17°°C | 0 mm | 0% | 11 Km/h | 82 % | 1014 mb |
General information about ArcelorMittal
Internet media: Website General – Website ArcelorMittal France – Facebook – Wikipedia (NL – FR)
Internet media CGT trade union of ArcelorMittal Dunkirk: Facebook
Internet media about Engie's DK6 gas-fired power station: Wikipedia (FR)
Internet media about USINOR: Wikipedia (NL – FR – EN).
Internet media about Hoogovens: Wikipedia (NL – FR – EN).
Tourist Office “Dunkerque Tourisme”:
Website – Facebook – Instagram
Our photos about ArcelorMittal
Our photos, videos, etc. are all (c) 2004-2026, Top.Vlaanderen, Belgium. They may not be copied or used without permission. If you would like to use them for a project, please contact us in advance and we will see how we can work together. If you would like us to photograph your own tourist attraction, B&B, vacation home, etc., that is also possible. Please contact us via our contact form .
Night shots (night of July 20-21, 2025):
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Dailies ArcelorMittal Dunkirk (Aug. 6, 2023):
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Day recordings Dike of Braek (Aug. 6, 2023):
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