Parking is available in the municipal car park on Route d’Armor.
(S/E) On leaving the car park, take the street on the left towards the church and the cemetery.
(1) Continue straight on to leave the village. Take the first road on the right. After a bend to the left, the road becomes a path at “An Ividic”. Walk due north. The path veers north-west, following the Roscoat stream. When you reach the access road to “Milin Promadec”, continue straight ahead on the path, keeping to the stream.
(2) Ignore the path on the left and continue along the stream. The path widens at the old Giglou Mill (ruins). Continue due north. Follow the same path.
(3) When the path takes a sharp right-hand bend, carry on straight ahead. You’ll reach the access point to Roscoat Castle (private property). Turn right and, when you reach a wayside cross on your right, head down the path on the left.
(4) At the fork, turn left and follow the path uphill to reach Guerâllen. When you reach the road, turn right and take the first road on the left signposted "Route de la Voie Romaine". After 100m, follow the Route de Toul Trevian on the right, which leads to the D22. Take this road on the left for 100 metres.
(5) Before a road sign reading “Slippery Road”, follow the path to the right. It leads to another path that runs alongside the Yar stream southwards against the flow. Continue along this path. Ignore a path on the right that crosses the stream and continue straight ahead. You will reach the access road to Crec’h Naon.
(6) Turn right. On the road, turn left and, 30 metres further on, take the path on the right (due south).
(7) Follow the Route du Veuzit to the left for 100m, then turn right at the junction. When you reach Ar Veuzit, turn left and continue straight on, heading due east until you reach a crossroads.
(8) Circular route of 1.25 km (see note in practical information) Take the road on the right. At the next crossroads, continue to the right and head towards Kernéguès. The path descends towards the Dour Plat.
(9) At a sharp left-hand bend leading down to the stream, take a small path on the right (barely visible due to the vegetation). This path climbs back up to Penguily and the crossroads.
(8) This time, at the crossroads, continue to the right. Follow the Route de Toul an Hay (D22) to the left.
(10) After the first houses in Vespéric, follow the road to the right. At the end of the road, turn left to reach the junction you passed on the way there.
(1) Turn left, go round the cemetery and then, after the church, continue to the right to reach the car park (S/E).