La vallée des sciences

Hiking Easy Created at: March 17, 2026

Informations

Distance 13.57 km
Elevation gain 518 m
Elevation loss 518 m
Altitude minimum 54 m
Altitude maximum 162 m
Altitude Start 98 m
Altitude End 67 m
Estimated hiking time 3 h 50 min
Difficulty Easy

13.57 km loop hiking starting from Orsay. Elevation gain is 518 m, with altitude ranging from 54 m to 162 m. Estimated time: 3 h 50 min. Starting town: Orsay (Île-de-France, France).

This hike includes 1 significant climbs. With a total elevation gain of 265 m across 4.41 km, with an average slope of 6.0%.

  • Climb 1 (at km 18.46 km): +265 m over 4.41 km, average slope 6.0%

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