Walk
Boucle de Sainte-Barbe
Plestin-les-Grèves · Côtes-d’Armor
A 7.5 km loop in Plestin-les-Grèves on the customs officers’ path, between the mouth of the Douron and the Saint-Michel shores.
- Suggested time
- 3 hours
- Type of place
- Walking loop · Lieue de Grève
- Atmosphere
- The customs officers’ path, headlands and coves.
- Getting there
- Plestin-les-Grèves. Toul-an-Héry, 1 km north of the centre on the D42
The route
Loop: the route returns to its starting point. Route: Département des Côtes-d'Armor (PDIPR), Licence Ouverte 2.0, mise à jour du 2026-09-11.
Download the GPS trackGPX file, to open in a walking app (Komoot, OsmAnd, Garmin Connect, iPhiGéNie…).
Who this place suits
- With family
- 5/10
- As a couple
- 7/10
- With friends
- 8/10
- Solo
- 8/10
- With a dog
- 8/10
- Reduced mobility
- 2/10
These scores are calculated from what the page records: official rating, facilities, difficulty, duration and location. They are a guide, not a substitute for contacting the venue, especially about accessibility.
About
Between the mouth of the Douron and the Saint-Michel shores, this loop in Plestin-les-Grèves follows the customs officers’ path, overlooking headlands, coves and beaches shaped by the tides. The inland section follows yellow waymarking, the coast the red and white waymarking of the GR 34. The start is at Toul-an-Héry, 1 km north of the village centre on the D42. The loop is 7.5 km long, with 217 m of ascent; allow about 3 hours of walking. The stated level is medium. Start: Toul-an-Héry, 1 km north of the village centre on the D42. The waymarking is yellow, and red and white on the coastal section shared with the GR 34. The official route, published by the Côtes-d’Armor département and updated on 11 September 2026, is shown on the map and can be downloaded as a GPX file to follow on your phone. Check the tide time and coefficient before you set off.
What you will see
- 7.5 km, about 3 hours
- 217 m of ascent
- Level: medium
- Loop: back to the starting point
- Customs officers’ path
- Mouth of the Douron
Show 1 more pointHide
- Saint-Michel shores
Tips on the spot
- Start: Toul-an-Héry, 1 km north of the village centre on the D42.
- At high tide, with a coefficient above 75, the coastal path is no longer passable after Tossenn ar C’hoz beach: take the variant that climbs back to the road.
- From June to September, a sign shows the days and times concerned.
- The GPX track can be downloaded from the map: handy for staying on the right path at junctions.
Frequently asked questions
How long is the walk?
7.5 km, with 217 m of ascent, or about 3 hours of walking.
Where does it start?
Toul-an-Héry, 1 km north of the village centre on the D42. The route comes back to its starting point.
Is the coastal path always passable?
No: at high tide, with a coefficient above 75, it is cut off after Tossenn ar C’hoz beach. A variant then climbs back to the road.
Source: Département des Côtes-d'Armor (PDIPR), Licence Ouverte 2.0, mise à jour du 2026-09-11 via data.gouv.fr, updated 11 September 2026.
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Traveller reviews
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