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Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Égly

Saint-Yon Church – Lac d'Olainville loop from Égly

Routes
Mountain biking trails
France
Ile-de-France
Palaiseau
Égly

Saint-Yon Church – Lac d'Olainville loop from Égly

Moderate

4.7

(3)

11

riders

Saint-Yon Church – Lac d'Olainville loop from Égly

02:59

34.6km

480m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: July 12, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 11.4 km for 167 m

After 18.8 km for 261 m

Waypoints

A

Start point

Train Station

Get Directions

1

8.53 km

Saint-Sulpice Church of Saint-Sulpice-de-Favières

Highlight • Religious Site

The church of Saint-Sulpice-de-Favières is a magnificent jewel. Located in the heart of the village, it occupies a strategic location, at the start of many hikes and trails in the forest.

Translated by Google •

Tip by

2

11.4 km

Nice descent

Highlight (Segment) • Other

3

12.6 km

Madagascar quarry

Highlight • Other

Gates closed. Access impossible.

Translated by Google •

Tip by

4

18.3 km

Souzy church

Highlight • Other

Very beautiful church on the banks of the Renarde, near an old washhouse.

Translated by Google •

Tip by

5

29.0 km

Porte des Bourdeaux...

Highlight • Other

The place takes its name from Saint-Yon, a Christian martyr beheaded by Roman soldiers on this hill. The church and the Porte des Bourdeaux are the remains of a village …

Translated by Google •

Tip by

6

29.0 km

Saint-Yon Church

Highlight • Religious Site

Very beautiful chapel, but there is a small dimension.

Translated by Google •

Tip by

7

29.0 km

King of the hard end

Highlight • Other

It is at the end of a climbing and winding road that we discover the small church of Saint-Yon, and its adjoining cemetery. Here rests, under an ancient mausoleum, Maurice …

Translated by Google •

Tip by

8

33.6 km

Lac d'Olainville

Highlight • Lake

After having traveled about twenty kilometers along the barley starting from Morsang sur orge, this lake offered us a magnificent landscape, hidden between the trees.
It was difficult to leave this place to come back home!

Translated by Google •

Tip by

B

34.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

16.7 km

9.35 km

4.89 km

2.66 km

886 m

111 m

Surfaces

12.0 km

11.7 km

6.33 km

2.20 km

2.14 km

117 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (150 m)

Lowest point (50 m)

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Weather

Powered by Foreca

Tuesday 14 July

32°C

23°C

16 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

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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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