The Eau Bourde between two mills in Cestas

In the privileged environment of the Bordeaux suburbs, there are many opportunities for walks and hikes. This loop, with its varied landscapes, can be enjoyed as a quiet and relaxing stroll, or, on the contrary, covered at a brisk pace using the techniques of power walking or Nordic walking. I opted for the latter, for a workout circuit lasting about an hour and a half.

Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 8.23 km
  • ◔
    Average duration: 2h 25 
  • ▲
    Difficulty: Easy

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 16 m
  • ↘
    Descent: - 16 m

  • ▲
    Highest point: 52 m
  • ▼
    Lowest point: 29 m
  • ⚐ Country: France
  • ⚐ District: Cestas (33610)
  • ⚑
    Start/End: N 44.745837° / W 0.68538°
  • ❏
    IGN map(s): Ref. 1437SB, 1537SB
  • Hour-by-hour weather

Photos

Description of the walk

Whether you are coming from Bordeaux or Arcachon, after crossing the motorway bridge and passing the Cestas entrance sign, you will find a quiet, sheltered car park with space for around fifteen cars at the third roundabout on the main road (Route de Fourc).

(S/E) From the car park, cross the roundabout heading east and take Chemin du Graveyron, passing a small car repair garage. Cross the dual carriageway and continue straight ahead on a shaded footpath that leads to a roundabout.

Continue straight ahead to a crossroads, where you go straight on and walk alongside a primary school. At the end of this cul-de-sac, continue straight on along a path lined with tall cypress trees on the left, then a grassy area, until you reach a bus shelter. Cross the street and continue straight ahead along a footpath lined with houses on the right and a wooded area on the left.

(1) Opposite a cul-de-sac leading to this path, take the path on the left. After walking alongside a wetland area, turn right at a fork and, after a few dozen metres, you will come to a straight sandy track, which you take on the left. This track runs alongside a high-voltage power line.

(2) At the northern end of the housing estate on your right, you will come to a five-way crossroads. Turn right at a right angle through the forest, with the houses of the housing estate visible on your right. Cross an estey (small drainage channel) on a wooden footbridge and turn left, following the estey.

(3) Walk along a large field on your right where you can often see sheep. Take a path on the right that runs along the field at the edge of the forest. Continue along the field, making several right-angle turns between two hedges of brambles rich in blackberries in season.

(4) When the path along the field ends, take the path on the left that leads into the forest towards the east. After six or seven hundred metres, continue straight ahead at the crossroads and you will soon see the back of the Ajoncière nursing home.

(5) At the two posts, turn left and continue until you reach a clearing with a high-voltage power line. Cross this very sandy area and continue along the path under the pine forest opposite. In the middle of the maritime pine forest, continue until you cross the river (the Eau Bourde) and go to the Moulin de Rouillac, whose name is engraved on a slab at the edge of the path.

(6) Walk past the mill building on your left and cross the Eau Bourde again via a bridge and then a footbridge covered with perforated metal plates. Continue westwards along the Eau Bourde, on its right bank, until you reach a beautiful footbridge, which you take to cross to the left bank. Continue along this very pleasant path beside the river.

Staying on the path alongside the river, you will pass the water treatment plant, then cross the Ruisseau des Sources, which flows into the Eau Bourde here, via a wooden footbridge. Immediately afterwards, you will cross the Roman bridge.

(7) Just after the Roman bridge, you will find yourself on the right bank of the Eau Bourde, which you follow until you reach the road.

(8) Cross the road (at the pedestrian crossing) where it crosses the river via a bridge. On the other side, to the left of the bridge, you will find a path that descends along the Eau Bourde, which you follow on its right bank.

(9) You will arrive at Moulin de la Moulette, where you can go up to your left to pass in front of a daycare centre, walk past a few houses and return to the car park (S/E).

Waypoints

  1. S/E : km 0 - alt. 45 m - Parking is available away from the road.
  2. 1 : km 1.06 - alt. 46 m - Shortcut
  3. 2 : km 1.5 - alt. 44 m - First right
  4. 3 : km 1.86 - alt. 42 m - Follow the fence
  5. 4 : km 2.38 - alt. 46 m - Turn left into the forest
  6. 5 : km 3.11 - alt. 52 m - Rest home, on the left
  7. 6 : km 4.52 - alt. 29 m - Moulin de Rouillac - Eau Bourde (rivière)
  8. 7 : km 6.66 - alt. 34 m - Roman bridge
  9. 8 : km 7.31 - alt. 37 m - Crossing the road
  10. 9 : km 8.04 - alt. 38 m - Near the Moulette mill
  11. S/E : km 8.23 - alt. 45 m - Return to the car park

Notes

In summer, there are no water sources along the route. Bring a water bottle as it can get hot even in the woods. However, along the river, it is always cool when it is hot and sheltered from the wind in winter. You can cool off by taking a dip, but it is best not to swim downstream from the sewage treatment plant outlet. However, upstream from the Roman bridge (7), you can swim with confidence.

In terms of equipment, a good pair of trainers or running shoes will do the trick. Poles are only necessary for Nordic walking.

It should also be noted that this circuit is ideal for mountain biking, as all the trails are accessible. However, be careful of muddy sections after rain.

If you want to stay in touch with nature, there are plenty of places to picnic. Alternatively, to the east of the Moulin de Rouillac, there is a beautiful park, which is actually the start of the large green corridor that runs alongside the Eau Bourde between Canéjan and Bègles.

Worth a visit

As I mentioned in the photos, depending on the season, you can harvest wild garlic or nettles in the spring and blackberries in the summer. Although I haven't found any yet, I wouldn't be surprised if you could pick porcini mushrooms in the woods where maritime pines, oaks and ferns coexist.

Reviews and comments

4.7 / 5
Based on 17 reviews

Reliability of the description
4.7 / 5
Ease of following the route
4.7 / 5
Route interest
4.6 / 5
User 14878815

Overall rating : 4 / 5

Date of your route : Aug 04, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

A pleasant route without any major difficulties

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Sgt Morales
Sgt Morales
• Edited:

Overall rating : 5 / 5

Date of your route : Jan 14, 2025
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

A beautiful little trail along the riverbank and through the forest. It's easy to follow, and impossible to get lost with a phone app! Watch out for muddy patches if it rains!

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Psh
Psh

Overall rating : 3.7 / 5

Date of your route : Nov 03, 2024
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : Yes

Not enough detailed information during the hike.
The paths on site should be marked for greater ease
Towards the end, we didn't understand the description very well due to a lack of landmarks, so we had to turn back and take another path
Otherwise, the place is great

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Fabien serra
Fabien serra

Overall rating : 4.3 / 5

Date of your route : Aug 19, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : Yes

Walk with the dogs. Be careful, there are lots of people on Sundays, but it's sheltered from the sun.

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stjo
stjo

On Saturday 16 September, as part of Heritage Days, the Mayor of Cestas invited us to take part in an inaugural walk along the Circuit des Moulins, between the Moulette mill and the Rouillac mill. Another mill was mentioned, the Laroque mill (still in ruins but scheduled for restoration), but it was not visited. We also had the opportunity to explore the museum housed in the Rouillac mill building.
It was a very enjoyable walk.
Let's hope it will be repeated next year, with progress in the restoration work and perhaps the opening of the museum adjacent to the Moulette mill, which is currently being fitted out.

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Francoisgir
Francoisgir

Overall rating : 4.3 / 5

Date of your route : Sep 15, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

Pass by the Moulette mill, currently undergoing restoration, and the Rouillac mill.
Shaded walk along the Eau Bourde, but beware of muddy patches after rain.

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cm53
cm53

Overall rating : 5 / 5

Date of your route : Sep 08, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A very pleasant hike in this hot weather because, apart from the very beginning, we are in the forest and therefore protected from the sun and cool. We finished the hike in the early evening and were attacked by mosquitoes... given the proximity of the water, it was to be expected!

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stjo
stjo
• Edited:

@Valentin B33: Damn! Have those pesky brambles grown in three years? How did that happen?
I did say, "Don't move the brambles, eh!"

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Valentin B33
Valentin B33

Overall rating : 4.3 / 5

Date of your route : Aug 15, 2023
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

A very good walk, "good for your health", which allows you to do exactly 10,000 steps a day!
One criticism, however: the brambles near point (3) (a narrow path lined with brambles, before skirting the meadow, if I remember correctly) are not mentioned in the description, which is a shame...

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DOUCAT
DOUCAT

Overall rating : 5 / 5

Date of your route : Mar 06, 2023
Reliability of the description : Not used / Not applicable
Ease of following the route : Not used / Not applicable
Route interest : ★★★★★ Very good
Very busy route : Yes

A very pleasant hike through a forest of pine, oak and birch trees. No tarmac roads.
Half of the route runs alongside the Eau Bourde river. Therefore, avoid during rainy periods.

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véroniquemarchand33
véroniquemarchand33
• Edited:

Overall rating : 4.3 / 5

Date of your route : Apr 10, 2022
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Sometimes we search far and wide for what is right on our doorstep! A very pretty walk in the suburbs of Bordeaux, surrounded by nature, pine forests, the last farms of Cestas, the banks of the Eau Bourde with its local heritage of mills... An ideal walk in this rather dry spring weather.

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Caput 13
Caput 13

Overall rating : 4.7 / 5

Date of your route : Mar 07, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : No

Very easy route, reliable descriptions of the hike and map.
I can confirm that it is very muddy in places

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Bruno DELAUNAY
Bruno DELAUNAY

Overall rating : 5 / 5

Date of your route : Feb 21, 2022
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

We enjoyed this very pleasant route. The only slight downside was the incessant noise of loud voices at the start of the route, but we are close to the city, so it's difficult to avoid. Many thanks, Bruno

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stjo
stjo

Ah! I warned you: watch out for muddy patches after rain.
But anyway, you saw that we managed to get through anyway.
Thank you for your feedback.
stjo

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olhassoa
olhassoa

Overall rating : 4.7 / 5

Date of your route : Jun 28, 2021
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★☆ Good
Very busy route : Yes

Quite muddy but exotic, almost exotic in places

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