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Routes
Hiking trails & Routes
France
Ile-de-France
Pontoise
Osny

Montgeroult Castle – Labathe Cross loop from Osny

Routes
Hiking trails & Routes
France
Ile-de-France
Pontoise
Osny

Montgeroult Castle – Labathe Cross loop from Osny

Hard

5.0

(1)

8

hikers

Montgeroult Castle – Labathe Cross loop from Osny

06:43

24.9km

300m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: June 11, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 22.3 km for 524 m

Waypoints

A

Start point

Train Station

Get Directions

1

511 m

Château de Grouchy

Highlight • Castle

2

916 m

Ideal for family picnics and artistic walks. The park is magnificent!

Translated by Google •

Tip by

3

6.64 km

Marais de Boissy

Highlight • Natural

small path, just next to the r

Translated by Google •

Tip by

4

10.9 km

Montgeroult Castle

Highlight • Castle

Private castle dating from the 17th century and classified as a Historic Monument since 1996.

Translated by Google •

Tip by

5

17.0 km

The Jules-César roadway in Vexin bears witness to Roman influence in the region. It is part of a network of military roads dating back more than 2,000 years. This historic …

Translated by Google •

Tip by

6

18.1 km

Labathe Cross

Highlight • Monument

Cross located on the Chaussée Jules César, erected in the 13th Century by the Templars.

Translated by Google •

Tip by

7

18.8 km

Justice Cross

Highlight • Monument

Located on the Jules César road, this is one of the two crosses placed nearby (the other is the Labathe cross)

Translated by Google •

Tip by

B

24.9 km

End point

Train Station

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Way Types & Surfaces

Way Types

13.2 km

5.80 km

2.81 km

2.55 km

536 m

Surfaces

9.19 km

4.64 km

4.21 km

2.87 km

2.72 km

1.18 km

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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 (110 m)

Lowest point (30 m)

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Weather

Powered by Foreca

Saturday 11 July

36°C

21°C

0 %

Additional weather tips

Max wind speed: 19.0 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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