The Trieux Mills, starting from Pontrieux

Date of your route : Sep 15, 2025
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

Very interesting hike in the first part of the route, but with insufficient and poorly maintained signage. However, in the author's defence, I admit that I hadn't read the route description, which added about 1 km to our hike. I recommend reading the description carefully and, echoing previous reviews, the second part of the loop is uninteresting, so I advise following Kerheol's suggestion regarding the return (point 4 of the route) and turning back.

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It was very difficult to find the start of the walk, as the red/white signposts were non-existent. There weren't enough markers on the route, which was very poorly maintained. Instead of doing 9km, we did 12.

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Hello,
Thank you for your feedback. I’m surprised by your comment regarding the route to follow.
Up to the Brelidy bridge, you follow the Trieux as closely as possible; then, after crossing the bridge, you take the Roman road straight on to Pontrieux.
Could you please tell me where you went wrong so that I can correct or clarify the route to follow?
Kind regards
Kerheol

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Date of your route : Nov 11, 2024
Reliability of the description : ★★☆☆☆ Disappointing
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★★ Very good
Very busy route : No

The first part along the Trieux was lovely, but there were no signposts along the way, so I had to turn back – ended up walking 14km
A shame, as the banks of the Trieux are lovely at this time of year.

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Date of your route : Sep 16, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes

A very pleasant route along the river in the first section, followed by a very quiet road.

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Date of your route : Jun 19, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good
Very busy route : No

The path is suitable for 1 to 4 people but not for a group; it needs maintenance (brush clearing in places). In some places, it can be dangerous as it is slippery near the river

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Date of your route : Apr 13, 2024
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★☆ Good
Very busy route : No

The start was a bit of a hassle as we hadn’t parked in the right car park. Note: park in the car park by the river (drive under a porch beneath a house). The return journey is rather unattractive, even though the road isn’t very busy. I suggest doing it the other way round: set off along the tarmac road and return via the Trieux.
There is a picnic area and toilet facilities near the bridge between points 4 and 5.

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That’s a good suggestion; I’ll make the necessary changes

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Yes, I think it’s best to turn back at Bredidy Mill. I suggest you amend the description to specify that the return journey by road involves a lot of kilometres on tarmac and isn’t particularly interesting, though it is a quiet road; and that those who prefer can turn back at the mill to avoid walking too much on tarmac! What do you think?

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Hello again
Actually, we can carry on. I did Pontrieux to Pabu (Kerhé campsite on the banks of the Trieux), a distance of 19 km;
I’ve never done it again because there are long tarmac sections, including after Squiffiec where you have to take the Guingamp–Paimpol road, which has no hard shoulder and is extremely busy.
What’s more, the path along the river isn’t maintained at all in certain sections.
I’m not entirely satisfied with this walk because of the long stretch on the straight road on the way back (an old Roman road), but I can’t see any other way; perhaps the best option is to turn back at the Brelidy mill.
Kind regards

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Hello,
So instead of turning off and coming back via the tarmac road, it seems possible to continue along the Trieux. Have you ever done this, and is the path unpaved? If you have the GPX file, I’d be interested. Thanks

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I’m sorry to have disappointed you. As for the Traou Meledern campsite, I mentioned it because it can serve as a landmark and reassure hikers that they’re heading in the right direction.
Nevertheless, your point is valid: the route does not run alongside the campsite. I have therefore amended the description accordingly.
Kind regards

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Date of your route : Jun 07, 2023
Reliability of the description : ★☆☆☆☆ Very disappointing
Ease of following the route : ★☆☆☆☆ Very disappointing
Route interest : ★★★★★ Very good
Very busy route : No

I was very disappointed with the description. At the start, you advise us to drive past the campsite. That’s a mistake.

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Date of your route : Apr 21, 2023
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★☆☆☆ Disappointing
Very busy route : No

Hello,
The first part of the route is lovely, running alongside the Trieux with views of the mills, but from the 4.5 km mark onwards, the route is entirely on tarmac and the final few kilometres are on a straight stretch, so it’s completely uninteresting. I would therefore recommend turning back between the Kerglaz mill and the Brédily mill and retracing your steps.

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Hello,
I agree with you about the return route (the straight road along the old Roman track), but this was the only way I could find to make it circular. This walk is even more enjoyable in summer, with the dry, shaded paths.
If you have two cars, you can follow the Trieux for several kilometres and avoid the return journey along the road.
Kerheol

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