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Routes
Hiking trails & Routes
France
Hauts-De-France
Saint-Omer
Esquerdes

Greenway along the Aa – Old powder mill loop from Esquerdes

Routes
Hiking trails & Routes
France
Hauts-De-France
Saint-Omer
Esquerdes

Greenway along the Aa – Old powder mill loop from Esquerdes

Moderate

4.6

(16)

57

hikers

Greenway along the Aa – Old powder mill loop from Esquerdes

03:34

13.0km

220m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 12, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Bus stop

Get Directions

1

1.23 km

Former railway line from Saint-Omer to Hesdigneul

Highlight • Trail

The old railway line that connected Saint-Omer to Hesdigneul has now been converted into a walking path. It is very pleasant to walk here...

Translated by Google •

Tip by

2

1.40 km

This natural area is located along the Aa Valley. Trails have been laid out along the Aa for a pleasant stroll along the water.

Translated by Google •

Tip by

3

6.50 km

The old railway line linking Calais to Anvin has been partly transformed into a greenway.
From Lumbres to Remilly-Wirquin, you can enjoy more than 5km of walking in the heart …

Translated by Google •

Tip by

4

6.90 km

Greenway along the Aa

Highlight • Cycleway

Great bike path in the woods along the Aa.

Translated by Google •

Tip by

5

8.13 km

Old powder mill

Highlight • Historical Site

The old powder mill was founded in 1686 during the reign of Louis XIV. At the time, it was one of the best powder mills in the kingdom (yes, that’s right!).

Translated by Google •

Tip by

6

12.3 km

Start

Highlight • Other

7

12.7 km

Esquerdes

Highlight • Other

Esquerdes is a really charming little village with its farm, its church and the Aa which crosses it...

Translated by Google •

Tip by

B

13.0 km

End point

Bus stop

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Way Types & Surfaces

Way Types

9.47 km

2.22 km

1.02 km

224 m

Surfaces

5.01 km

2.53 km

2.12 km

1.99 km

1.07 km

224 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 (140 m)

Lowest point (30 m)

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Weather

Powered by Foreca

Friday 26 June

30°C

18°C

43 %

Additional weather tips

Max wind speed: 9.0 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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