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Ariane 6 Launch Complex (ELA-4)
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The ELA-4 (Ensemble de Lancement Ariane 4) launch complex is the newest and most modern infrastructure at the Guiana Space Centre, developed specifically for the Ariane 6 launcher. Spanning 170 hectares, the complex marks a technological leap in European spaceflight logistics. Unlike previous facilities, the integration of rocket stages here is performed horizontally in a new assembly building before the rocket is moved to the pad. A defining feature of ELA-4 is the mobile service tower (Mobile Gantry), which weighs 8,200 tons and stands 90 meters tall, making it one of the largest movable structures in the world. This tower protects the rocket during launch preparations and is rolled back shortly before liftoff. The facility was designed to increase launch frequency and reduce operational costs, ensuring Ariane 6's competitiveness in the global market.
- Location: French Guiana
- Top sights: Agami · Colibri · Kikiwi
- Nearby: Kaw Marshes (85 km)
Best time to visit & climate
The most pleasant time to visit is Aug–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 |
| Rain mm | 181 | 160 | 149 | 241 | 340 | 253 | 161 | 83 | 40 | 47 | 83 | 185 |
📋 Practical info
What is this place?
The ELA-4 launch complex in Kourou was specially designed and built for the new generation of Ariane 6 rockets. This state-of-the-art facility ensures Europe's autonomous access to space and gradually replaces older launch pads.
Visiting
This complex is also closed to the public for security reasons. However, visitors can see it from a distance from the CSG viewpoints or partially during special tours.
Where to view it
The best viewing opportunities are from the Space Museum's observation deck, offering an overview of the entire site including ELA-4. Another point is the access road, from which the launch pad is visible in clear weather.
Local products
ELA-4 also does not produce consumer goods but serves to launch Ariane 6 rockets. The facility strengthens the regional economy through modern jobs and is a symbol of technological excellence.
Active season
Activity is centred on Ariane 6 launch campaigns, which will occur regularly after commissioning. In between, testing and certification work is carried out to ensure operational readiness.
Nearby
Visit the older ELA-3 launch pad at the same time to compare technological progress. The Space Museum in Kourou provides an exhibition on the evolution of Ariane rockets.
Geography
Facts
- Specifically built for the new Ariane 6 launch vehicle
- Mobile service tower weighs an impressive 8,200 tons
- Horizontal integration of the rocket in the assembly building
- First successful launch of Ariane 6 occurred in July 2024
- Uses an innovative water-deluge system during liftoff
- The complex covers a total area of 170 hectares
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Notable places around
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Sights in the town Ariane 6 Launch Complex (ELA-4) (3)
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Frequently asked questions
What is ELA-4 built for?
ELA-4 is the state-of-the-art launch complex for the new Ariane 6 rocket.
What is special about ELA-4?
The mobile service tower is retracted only shortly before launch.
Can you visit ELA-4?
Yes, it is part of the space center's latest bus tours.
When did the first launch take place?
Ariane 6 successfully launched from this pad in 2024.
Is there a visitor center directly at the pad?
No, visitors must use the Musée de l'Espace in Kourou.
Ariane 6 Launch Complex (ELA-4): where is it located?
Ariane 6 Launch Complex (ELA-4) is located in French Guiana.
Ariane 6 Launch Complex (ELA-4): what is there to see?
Highlights include Agami, Colibri, Kikiwi.
Ariane 6 Launch Complex (ELA-4): when is the best time to visit?
The most pleasant time to visit is Aug, Oct.
Ariane 6 Launch Complex (ELA-4): why is it worth visiting?
The ELA-4 (Ensemble de Lancement Ariane 4) launch complex is the newest and most modern infrastructure at the Guiana Space Centre, developed specifically for the Ariane 6 launcher.
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History & landmarks
🗺️
Guiana Space Centre
The Guiana Space Centre is the main European spaceport located in Kourou, chosen for its proximity to the equator.
Dreyfus Tower
An old signal tower in Kourou, once used to communicate with the nearby Devil's Island during the penal colony era.
Petit-Saut Dam
A massive hydroelectric dam on the Sinnamary River that supplies a significant portion of electricity for French Guiana.
L'Enfant Perdu Lighthouse
A solitary lighthouse on a small rocky island off the coast, guiding mariners as they approach Cayenne.
Saint-Joseph Church of Iracoubo
A colorful and elaborately decorated wooden church in Iracoubo, painted entirely on the inside by a former convict.
Nature
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Ariane 5 Launch Pad (ELA-3)
The primary launch pad for the Ariane 5 heavy-lift rocket, a gigantic industrial and technological infrastructure.
Ariane Final Assembly Building
The huge building where European Ariane rockets are finally assembled before being transported to the launch pad.
Solid Propellant Plant (UPG)
The Guiana Propellant Plant mixes and casts the solid fuel for the huge boosters of the Ariane rockets.
Air Liquide Plant Kourou
A specialized Air Liquide industrial facility in the space center producing liquid oxygen and hydrogen for rocket propellant.
Vega Launch Pad (ELV)
The launch complex for European Vega rockets, used for lighter satellites and Earth observation missions.
Soyuz Launch Facility (ELS)
A launch pad near Sinnamary built in cooperation with Russia for Soyuz rockets to launch medium payloads.
Kourou Biomass Power Plant
A facility generating electricity from wood waste and biomass, contributing to energy independence and the transition to green energy in …
Monkey Mountain
Monkey Mountain near Kourou offers hiking trails and a great view of the space center.