· Local
· S6-11
Moderate
La vallée des sciences
📏
13.6 km
Distance
⏱
3h 23min
Est. duration
⛰
Moderate
Difficulty
🔄
Round walk
Route type
La vallée des sciences is a 13.6 km Local Hiking hiking trail covering an interesting stretch of countryside.
Covering 13.6 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 3 hours and 1 minutes.
This loop trail is a practical choice for day hikers: you start and end at the same spot, with no shuttle or pick-up required. Follow the S6-11 waymarkers throughout to stay on the official trail line.
As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.
Elevation Profile
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Elevation data from SRTM via OpenTopoData (open dataset).
Map
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Waypoints
5 points along the routeA
Start
· Bures-sur-Yvette
B
Finish
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Frequently Asked Questions
What is the total distance of La vallée des sciences?
The total distance of La vallée des sciences is 13.6 km.
What is the estimated walking time for La vallée des sciences?
The estimated walking time for La vallée des sciences is approximately 3h 23min.
Is La vallée des sciences a loop trail?
Yes, La vallée des sciences is a round walk that starts and finishes at the same point — no return transport needed.
What is the starting point of La vallée des sciences?
The starting point of La vallée des sciences is Bures-sur-Yvette.
What fitness level is needed for La vallée des sciences?
La vallée des sciences is rated moderate. Reasonable fitness and suitable footwear are advised.
Who maintains the La vallée des sciences trail?
La vallée des sciences is maintained and managed by FFrandonnée Essonne.