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France
Ile-de-France
Palaiseau
Orsay

Ancienne carrière de La Troche – Sentier école polytechnique loop from Le Guichet

Routes
Hiking trails & Routes
France
Ile-de-France
Palaiseau
Orsay

Ancienne carrière de La Troche – Sentier école polytechnique loop from Le Guichet

Easy

4.7

(3)

9

hikers

Ancienne carrière de La Troche – Sentier école polytechnique loop from Le Guichet

01:40

6.03km

100m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 15, 2025

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Waypoints

A

Start point

Train Station

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1

844 m

118 stairs and underground passage

Highlight • Other

series of stairs after the 118 underground

Translated by Google •

Tip by

2

1.63 km

Former La Troche quarry

Highlight • Other

Site steeped in history converted into a climbing and relaxation site (landscaped trails, picnic tables). To find out more about the old quarry: photos.piganl.net/2018/troche/troche.php

Translated by Google •

Tip by

3

2.28 km

good well-maintained path forming part of the Way of Saint James

Translated by Google •

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4

3.22 km

École Polytechnique Trail

Highlight (Segment) • Other

Only viable option to go directly from the Lozère stop of the RER B to Polytechnique.

Translated by Google •

Tip by

B

6.03 km

End point

Train Station

Way Types & Surfaces

Way Types

1.86 km

1.56 km

1.54 km

580 m

494 m

Surfaces

2.14 km

1.64 km

1.48 km

697 m

< 100 m

< 100 m

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Elevation

Elevation

Highest point (160 m)

Lowest point (50 m)

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Weather

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Today

Wednesday 26 November

8°C

1°C

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Max wind speed: 12.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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