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Museum · Oeiras, Lisbon
Barcarena Gunpowder Factory
Former gunpowder factory in the valley of the Barcarena stream, active for more than four centuries and now the municipality’s cultural center. It has gardens, workshops and old warehouses and houses the Black Gunpowder Museum.
Illustrative images. The pictures in this guide are illustrations based on the real place, not photographs, and may differ from it.
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About Barcarena Gunpowder Factory
The Barcarena Gunpowder Factory is located inland in the municipality of Oeiras, in the valley of the Barcarena stream, which divides the complex into two parts: the Lower Factory and the Upper Factory. Black gunpowder production began there in the 16th century and continued for more than four centuries, powered by the stream’s water turning the mills. The factory became the kingdom’s main one, known as the Real Fábrica da Pólvora.
Activity ceased permanently in 1988. Oeiras City Hall bought the complex in the 1990s and restored the buildings, gardens and hydraulic systems, transforming the site into a cultural hub with exhibition spaces, green areas, a playground, a restaurant and a café.
The Black Gunpowder Museum occupies the building commissioned by António Cremer and inaugurated in 1729, which originally housed four grinding mills. The museum reconstructs one of those mills, with limestone millstones, and explains the stages of black powder manufacture and the factory’s history. The same complex houses the Casas do Salitre, used for exhibitions.
Before you go
Practical information
Cidade Turismo reviews its information regularly, but something may have changed. Check with the place before planning your trip.
How much time to set aside
1 to 2 hours for the museum and a walk through the gardens.
Best time
During the day, with time to walk along the stream valley. On weekends the site draws families and, at various times of the year, cultural events.
How to get there
On Estrada das Fontainhas, in Barcarena, about 6 km from Oeiras center. Massamá-Barcarena station on the Sintra line is about 1.5 km away; by car, via the IC19 or the A5.
Tip
See the Black Gunpowder Museum first to understand how the factory operated, then walk both sides of the stream to view the buildings and the water channels.
Get your questions answered
Frequently asked questions about Barcarena Gunpowder Factory
What is the Barcarena Gunpowder Factory?
It is a former black powder factory in Oeiras, active from the 16th century until 1988, restored by the municipality as a cultural centre, housing the Black Powder Museum.
How do you get to the Barcarena Gunpowder Factory?
By car via the IC19 or the A5, or by train on the Sintra line to Massamá‑Barcarena station, about 1.5 km away.
What can you see at the Black Powder Museum?
A reconstruction of a milling installation with stone millstones and an explanation of the stages of black powder production and the factory’s history.