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Poudrière de Cayenne
The Poudrière de Cayenne (Cayenne Powder Magazine) is a significant military landmark in the capital of French Guiana. Constructed in 1864 during the reign of Napoleon III, it was built to provide a secure and dry storage facility for the city's gunpowder supplies. Located in the Anse de l'Hôpital district, the building is notable for its robust defensive architecture. Its thick brick and stone walls, along with a massive vaulted roof, were engineered to withstand potential explosions and protect the ammunition from the corrosive effects of tropical humidity. The powder magazine was a vital component of Cayenne's coastal defense system, which included the nearby Fort Cépérou. Over time, as military technology advanced, the building fell out of use and was eventually recognized as a national historic monument. Today, the Poudrière has been meticulously restored and frequently serves as a venue for cultural exhibitions and community events, standing as a reminder of the strategic military importance of Cayenne in the 19th-century colonial era.
- Location: French Guiana
- Nearby: Kaw Marshes (33 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 | 26 | 27 | 27 | 27 | 26 |
| Rain mm | 300 | 264 | 251 | 369 | 504 | 334 | 217 | 109 | 54 | 58 | 110 | 303 |
📋 Practical info
Geography
Facts
- The powder magazine was completed in 1864 to support the local garrison.
- It is situated at the Pointe de l'Anse, a strategic coastal location.
- Special ventilation slits were designed to combat the high tropical humidity.
- The structure was designated a French 'Monument Historique' in 1989.
- The vaulted masonry was a standard safety feature for ammunition storage.
- It currently hosts art shows and history exhibitions for the public.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Poudrière de Cayenne (1)
Sights nearby
Frequently asked questions
When was the Poudrière built?
What was this building used for?
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What is special about its architecture?
Poudrière de Cayenne: where is it located?
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