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Hiking trails & Routes

Mantes-La-Jolie

Gallo-Roman sanctuary – Porte de Bretagne loop from Mantes-la-Jolie

Hiking trails & Routes

Mantes-La-Jolie

Gallo-Roman sanctuary – Porte de Bretagne loop from Mantes-la-Jolie

Moderate

4.5

(6)

21

hikers

Gallo-Roman sanctuary – Porte de Bretagne loop from Mantes-la-Jolie

03:41

13.6km

180m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 24, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.13 km

Gallo-Roman sanctuary

Highlight • Monument

To discover following the path that goes beyond the small roundabout parking lot.
Gallo-Roman nymphaeum organized around a spring. Pretty marble statuette, two remaining columns and a basin on this ancient sanctuary.

Translated by Google •

Tip by

2

4.76 km

Donjon and Fortified Site of Montchauvet

Highlight • Historical Site

One of the most beautiful villages of Île de France accessible by a small climb whatever your route of arrival. Several historical monuments to see: first of all the 12th and 13th century church, the ruins of the keep which are the remains of a castle having been the scene of a battle during the Hundred Years War, and the arch of the gateway to Brittany.

Translated by Google •

Tip by

3

4.88 km

La Porte de Bretagne, Montchauvet

Highlight • Monument

Magnificent place full of history, many paths in the surrounding area

Translated by Google •

Tip by

4

5.10 km

Porte de Bretagne

Highlight • Historical Site

Last of the three gates of the body of walls which surrounded the old stronghold. The grooves of the harrow are still visible.

Translated by Google •

Tip by

B

13.6 km

End point

Parking

Way Types & Surfaces

Way Types

7.96 km

4.70 km

583 m

379 m

Surfaces

6.47 km

3.12 km

1.97 km

1.51 km

539 m

< 100 m

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Elevation

Elevation

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

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Weather

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Thursday 21 May

27°C

10°C

0 %

Additional weather tips

Max wind speed: 8.0 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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