Saint Robert Chapel – Pierre de Lait Polishing Stone loop from Chambly

Mountain biking trails

Saint Robert Chapel – Pierre de Lait Polishing Stone loop from Chambly

Moderate

5.0

(2)

riders

Saint Robert Chapel – Pierre de Lait Polishing Stone loop from Chambly

03:25

39.1km

510m

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: October 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 28.0 km for 470 m

Waypoints

Start point

Train Station

Get Directions

5.87 km

Sandy Path in Parc Naturel Régional du Vexin Français

Highlight (Segment) • Trail

There are horses in the area, so the path is full of sand.

Translated by Google •

Tip by

7.71 km

Saint Robert Chapel

Highlight • Religious Site

This peaceful spot on a secluded plateau is simply stunning!

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Tip by

10.7 km

tunnel of verdure

Highlight • Other

very pretty

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Tip by

14.0 km

Scenic Singletrack in Parc Naturel Régional du Vexin Français

Highlight • Trail

17.6 km

Pierre de Lait Polishing Stone

Highlight • Historical Site

A block of sandstone which served as polisher in the Neolithic

Translated by Google •

Tip by

19.7 km

Technical single in the middle of nowhere

Highlight • Other

A treat, I did not expect at all going through there!

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Tip by

24.5 km

Bois de la Tour du Lay

Forest

31.6 km

Panoramic View of Chambly, Persan, and Beaumont

Highlight • Viewpoint

31.7 km

View of Chambly and Surroundings

Highlight • Viewpoint

39.1 km

End point

Train Station

Way Types & Surfaces

Way Types

31.5 km

5.45 km

1.45 km

489 m

179 m

105 m

Surfaces

25.5 km

5.59 km

4.22 km

3.22 km

617 m

Elevation

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

Weather

Friday 16 October

17°C

7°C

0 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

Comments

April 23, 2023,Champenoise-45

Very hard organized hike due to weather and muddy terrain. My rear tire was just chasing and it was fun and dangerous at the same time. A few scares with the front tire but it was a micro loss of grip. Very well signposted route in addition to the gpx provided. The rain stopped around 13 km. The road sections …

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