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Orsay
ℹ️Practical info — Orsay
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🌤 Weather — 5 days
📍 Nearby
Sights nearby
💡 Tips
- Hop on the RER B train line for a direct, 35-40 minute ride right into the heart of Paris.
- Take a stroll through the university campus, which is open to the public and doubles as a massive, beautifully landscaped botanical park.
- The town is very cycle-friendly; rent a bike to explore the green paths along the Yvette river.
- Check out the local cultural center, La Bouvèche, which often hosts community art exhibitions.
🍽 Food
Visit the lively brasseries near the RER stations, popular with local students and researchers.
Pick up a warm, fresh pain au chocolat from a town center bakery early in the morning.
The large student population means you'll find great craft beer options in the downtown bars.
🛍 Shopping · 🧘 Quiet spots
Visit the outdoor market days for fresh regional cheeses, meats, and seasonal vegetables.
As a prominent university town, the center has excellent bookshops with wide selections.
A peaceful, small lake surrounded by green space that is highly recommended for a quiet picnic.
Located right on the university campus, featuring rare trees and secluded walking paths.
Water temperature…
Orsay is a world-renowned center for scientific innovation, located in the Essonne department about 20 kilometers southwest of Paris. Tucked away in the scenic Yvette Valley, the town serves as the spiritual and physical heart of the Paris-Saclay academic cluster. Its transformation from a quiet agricultural village into a premier university hub began in the 1950s with the establishment of large physics laboratories and University faculties. Today, it hosts the Paris-Saclay University and esteemed research bodies such as the CNRS and the Curie Institute. Despite its high-tech status, Orsay maintains a high standard of living characterized by extensive green spaces and a characterful town center. The local park, Parc de la Bouloie, is a favorite for students and residents alike. Historically, the area was known for its mills and pastoral landscapes, elements that are still visible in the surrounding Chevreuse Valley. Economically, the town is driven by education, research, and emerging technology startups. Excellent rail links via the RER B line ensure that Orsay remains a highly attractive location for both the global scientific community and commuters working in the French capital.
- Location: Île-de-France, France
- Top sights: Temple de la Gloire · Viaduc des Fauvettes · Church of Saint-Martin-et-Saint-Laurent
- Nearby: Palaiseau (5 km)
- Population: ~17.011
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 | 52 | 46 | 52 | 41 | 63 | 58 | 52 | 55 | 40 | 59 | 61 | 65 |
Geography
Facts
- Population: approx. 17,011 (2021 census)
- Area: 7.97 square kilometers
- Elevation: 51 to 160 meters
- Postal code: 91400
- Paris-Saclay University is a top-ranked institution globally
- Located within the Haute Vallée de Chevreuse Regional Nature Park
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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Sights in the town Orsay (10)
Frequently asked questions
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