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Routes
Mountain biking trails
France
Ile-de-France
Étampes
Boissy-Sous-Saint-Yon

Trévoix Pond – Lac d'Olainville loop from Boissy-sous-Saint-Yon

Routes
Mountain biking trails
France
Ile-de-France
Étampes
Boissy-Sous-Saint-Yon

Trévoix Pond – Lac d'Olainville loop from Boissy-sous-Saint-Yon

Moderate

4.5

(18)

55

riders

Trévoix Pond – Lac d'Olainville loop from Boissy-sous-Saint-Yon

02:06

34.0km

110m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 20, 2026

Tips

Cycling is not permitted along parts of this route

After 4.44 km for 360 m

After 7.27 km for 85 m

After 29.5 km for 163 m

Waypoints

A

Start point

Bus stop

Get Directions
1

6.54 km

Trévoix Pond

Highlight • Lake

A large body of restful and calm water. It is possible to go around on a cycle path.

Translated by Google •

Tip by

2

6.62 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

3

7.78 km

Small houses by the water

Highlight • Other

4

8.34 km

Water Park

Highlight • Other

5

16.5 km

Route de Guiperreux

Highlight • Other

6

18.6 km

Longpont Basin

Highlight • River

Hello everyone, be careful, several waypoints (notably 5) do not exist or no longer exist. I really struggle to follow this tour.

Translated by Google •

Tip by

7

18.8 km

View of the Château de Lormoy

Highlight • Viewpoint

8

19.1 km

Orge Riverbank Snack Bar

Highlight • Cafe

Refreshment bar on the banks of the Barley positioned opposite the St Michel basin, ideal for a quiet drink or a short break on the walk along the banks of …

Translated by Google •

Tip by

B

34.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

20.1 km

6.16 km

3.81 km

2.63 km

1.25 km

101 m

Surfaces

16.3 km

12.2 km

3.90 km

534 m

519 m

516 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 (90 m)

Lowest point (40 m)

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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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