· Local
· S6-11
Moderate
La vallée des sciences
📏
13.6 km
Distance
⏱
3h 23min
Est. duration
⛰
Moderate
Difficulty
🔄
Round walk
Route type
A 13.6 km Local Hiking trail, La vallée des sciences takes walkers through a varied section of terrain.
A 13.6 km full-day trail that rewards walkers with a proper day out. Budget roughly 3 hours and 1 minutes at a steady pace.
This is a circular route that brings you back to your exact starting point — ideal for a self-contained day out without having to organise return transport. Look for the S6-11 trail markings to stay on the official route.
Part of the Local Walking Network (LWN), this trail is ideal for exploring the neighbourhood landscape. It is typically well-known to local walkers and offers an authentic sense of place.
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
How far is it to walk La vallée des sciences?
La vallée des sciences covers a distance of 13.6 km.
How long does it take to walk La vallée des sciences?
At an average walking pace, La vallée des sciences takes approximately 3h 23min to complete.
Does La vallée des sciences return to the starting point?
Yes — La vallée des sciences loops back to the start. You can complete it without arranging a lift or return journey.
Where can I begin walking La vallée des sciences?
You can begin La vallée des sciences at Bures-sur-Yvette.
How difficult is La vallée des sciences?
La vallée des sciences is a moderate hike suitable for walkers with a basic level of fitness.
Who maintains the La vallée des sciences trail?
La vallée des sciences is maintained and managed by FFrandonnée Essonne.