Route des Batailles in Thérouanne

Thérouanne was the capital of the Gallic tribe known as the ‘Morins’. The town was conquered by Julius Caesar. In the Middle Ages, it was the seat of an important bishopric stretching from the Canche to the Yser. It was completely destroyed following the siege by Charles V’s imperial army in 1553, as it was a French enclave.
This trail pays tribute to the three battles that took place at Enguinegatte during the capture of Thérouanne. It is a signposted trail managed by the Pays de Saint-Omer Urban Community.

Details

42543036
Creation:
Last update:
Last review:
  • Walking
    Activity: Walking
  • ↔
    Distance: 5.65 mi
  • ◔
    Average duration: 2h 45 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 197 ft
  • ↘
    Descent: - 197 ft

  • ▲
    Highest point: 325 ft
  • ▼
    Lowest point: 118 ft

Description of the walk

The starting point is at the following address: 4, Chemin de Bomy, Thérouanne. Parking spaces available.

(S/E) From the starting sign, head up the hill. At the junction, carry straight on to reach the hamlet of Les Cornailles.

(1) At the fork in the road, turn left and carry on straight ahead until you reach the sign explaining the three battles that took place at Enguinegatte.

(2) Turn left and head up the hill, passing several junctions. Once at the top, turn right, ignore a path on the left and walk past the pumping station. Turn left, reach the main road and cross it at the pedestrian crossing. Then turn left until you reach the nearby crossroads (small car park).

(3) Turn right onto Rue Longue and continue to the junction.

(4) Turn left and follow the path downhill to reach the departmental road at the end of Chemin du Milieu, at No. 41.

(5) Turn left. At the junction, go straight on, and do the same at the Stop sign.

(6) After the bank and in front of the veterinary clinic, turn left onto Rue de Nielles to return to the starting point (S/E).

Waypoints

  1. S/E : mi 0 - alt. 128 ft - 4, Chemin de Bomy
  2. 1 : mi 0.78 - alt. 220 ft - Les Cornailles
  3. 2 : mi 2.02 - alt. 236 ft - Information board detailing the three battles at Enguinegatte
  4. 3 : mi 2.8 - alt. 292 ft - Crossroads, car park
  5. 4 : mi 3.3 - alt. 325 ft - Crossroads
  6. 5 : mi 4.85 - alt. 167 ft - No. 41, Chemin du Milieu
  7. 6 : mi 5.41 - alt. 118 ft - Rue de Nielles. Near the - Lys (rivière canalisée)
  8. S/E : mi 5.65 - alt. 128 ft - 4, Chemin de Bomy

Notes

Before the checkpoint (2), there is a picnic table with a canopy along the route.

The Maison de l’Archéologie in Thérouanne is open to the public:
- from May to October, Wednesday to Friday from 10.00 to 12.30 and from 13.30 to 17.00, and on Saturdays and Sundays from 13.30 to 17.00. Open on Tuesdays to groups (by booking only).
- from November to April, Wednesday to Friday from 2.00 pm to 5.00 pm. Open on Tuesdays and on Wednesday to Friday mornings for groups (by booking only).
Address: 6 Place de la Morinie – 62129 Thérouanne
Tel.: 06 43 85 15 47 - Email: maisons-pah@aud-stomer.fr – Facebook: AUD StOmer
Free entry.

Worth a visit

(2) Along the route, a sign explains the three battles that took place at Enguinegatte during the siege of Thérouanne:
- the Battle of Les Démanchés on 7 August 1479,
- the Battle of Les Eperons on 16 August 1513,
- the Battle of Les Pourettes on 6 July 1537.

In Thérouanne: visit the Maison de l’Archéologie, which is dedicated to the history of this town and the archaeological site.

The archaeological site (44, rue Saint-Jean) is open from April to October, every day from 9.00 am to 6.00 pm; admission is free. The site includes part of Thérouanne Cathedral, which was completely destroyed in 1553.

There are many sites to visit in the Audomarois region. For further information, please visit the website ofthe Pays de Saint-Omer Tourist and Convention Bureau.

Reviews and comments

4.2 / 5
Based on 3 reviews

Reliability of the description
4 / 5
Ease of following the route
4.3 / 5
Route interest
4.3 / 5
User 28817786

Overall rating : 4.3 / 5

Date of your route : Apr 12, 2026
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A lovely walk, with glorious sunshine. The only downside was the final stretch through the town, but apart from that, it was a real treat for the eyes!

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Caron Daniel
Caron Daniel

Overall rating : 5 / 5

Date of your route : Apr 10, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A lovely walk with no trouble finding my way; I only followed the .gpx route when in doubt.
And the sunshine was brilliant, too.
The distance was exactly as stated.
Thanks for the information.

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Treulier Alexandre
Treulier Alexandre

Overall rating : 3.3 / 5

Date of your route : Oct 21, 2024
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★☆☆ Average
Very busy route : No

A lovely walk, done in October – one to do again in the spring.

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