Summer Festival with Circus in the Park
Annual summer festival over three July weekends featuring circus shows, concerts and activities for all ages in the town park.
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Rosny-sous-Bois
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ℹ️Practical info — Rosny-sous-Bois
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🌤 Weather — 5 days
📍 Nearby
Sights nearby
💡 Tips
- The RER E train line is the most efficient way to reach central Paris from here.
- Westfield Rosny 2 is one of the largest shopping centers in the region; visit on weekday mornings to avoid crowds.
- Check the opening hours of the Rosny Rail museum in advance, as it operates on limited schedules.
- Street parking near the main station is limited, consider using public transport or designated parking garages.
🍽 Food
🍽
Classic French pastries
Look for independent bakeries in the town center around the Mairie for your morning croissant.
🍽
Brasserie lunch
Grab a traditional lunch at one of the brasseries near the RER station.
🍽
Multicultural street food
Explore the areas around the main commercial streets for diverse, quick bites.
🛍 Shopping · 🧘 Quiet spots
🛍
Westfield Rosny 2
A massive shopping mall offering international brands and a large cinema complex.
🛍
Local markets
Visit the town center market for fresh produce, cheeses, and regional specialties.
🧘
Parc Jean Decesari
A lovely, well-maintained park right behind the town hall, great for a short stroll.
🧘
Square Richard Gardebled
A smaller, peaceful green space handy for reading a book or resting.
Water temperature…
Highlights of 2026
1
Rosny-sous-Bois is a prominent commune in the eastern suburbs of Paris, located in the Seine-Saint-Denis department. Historically a rural village known for its vineyards and gypsum quarries, it underwent significant transformation during the 19th and 20th centuries. A major landmark is the Fort de Rosny, built between 1840 and 1846 as part of the Thiers fortifications to defend the capital. Today, the fort serves as a key site for national security services, including the Gendarmerie's information center. The city's economy is anchored by the Rosny 2 shopping center, one of the largest retail hubs in the Île-de-France region, which provides thousands of jobs. Rosny-sous-Bois benefits from an exceptional transport network, with access to RER lines E and A, as well as the A3 and A86 motorways. The local government emphasizes a balance between urban development and environmental preservation, maintaining several public parks and promoting sustainable housing projects to accommodate its growing population.
- Location: Île-de-France, France
- Top sights: Rosny-Rail Museum · Saint-Laurent Church · Fort de Rosny
- Nearby: Le Raincy (4 km)
- Population: ~47.180
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 3 | 4 | 7 | 10 | 14 | 17 | 19 | 19 | 16 | 12 | 7 | 4 |
| Rain mm | 54 | 50 | 52 | 39 | 64 | 60 | 55 | 59 | 42 | 57 | 61 | 69 |
Geography
Facts
- Elevation ranges from 45 to 116 meters
- Total land area: 5.91 square kilometers
- Fort de Rosny construction: 1840-1846
- Opening of Rosny 2 mall: 1973
- Distance to Paris city center: 10 km
- Official postal code: 93110
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.
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© OpenStreetMap contributors · OpenRouteService
Sights in the town Rosny-sous-Bois (13)
Musee de l'Histoire Vivante🏛 museum
A history museum focusing on social movements, located near Rosny-sous-Bois.
🌐 museehistoirevivante.com🕒 We-Fr 14:00-17:00; Sa-Su 14:00-17:30; Aug closed
Frequently asked questions
What is the main attraction for shopping fans?
Rosny 2 is one of the largest shopping centers in the Île-de-France region, with over 150 shops and restaurants.
Which historical structure can be visited?
Fort de Rosny, built in the 19th century, is an impressive fortification that today serves cultural purposes.
Are there green spaces for recreational activities?
Parc Decesari in the city center provides playgrounds and walking paths, well-suited for families and athletes.
How is the connection to Paris public transport?
The city is excellently connected by the RER E line, which takes you to the center of Paris in about 20 minutes.
Is there a museum in Rosny-sous-Bois?
The Regional Railway Museum (Rosny-Rail) is for railway enthusiasts, showcasing historical exhibits.
Rosny-sous-Bois: where is it located?
Rosny-sous-Bois is located in Île-de-France, France.
Rosny-sous-Bois: what is there to see?
Highlights include Rosny-Rail Museum, Saint-Laurent Church, Fort de Rosny.
Rosny-sous-Bois: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Rosny-sous-Bois: why is it worth visiting?
Rosny-sous-Bois is a prominent commune in the eastern suburbs of Paris, located in the Seine-Saint-Denis department.
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