Mer Blanche and Chapelle Saint-Sébastien starting from Mousterlin

Access: From Fouesnant, take the D44 towards Bénodet, passing the Chapelle de Perguet. At the Pont Henvez roundabout, leave the road to Bénodet and take the last exit on the left towards Mousterlin. Continue to the headland, where you will see a large car park on the left.

(S/E) From the car park, return to the road, cross it carefully and take the dead-end road behind the Hôtel de la Pointe.

(1) Turn left under the pine trees onto the second path, which leads to the trail at the top of the dune.
Follow this north-west facing path towards Kerler Beach. Walk along Mousterlin Beach and its riprap, ignoring the various passages that lead down behind the dune. You will arrive within sight of Kerler Beach. Descend to the path behind the dune and climb up to the left for a view of the beach and the dune cordon.

GR®34 trail markers (white and red)

(2) With your back to the beach, descend and take the double footbridge to cross a stream. Cross the flood-prone car park, follow the road ignoring the^first right and turn left onto the first white path marked by a removable post.

GR®34 (white and red) + PR® (blue) markings

(3) Take this path, leaving Kerouen on your left. Follow a pasture area on the left, then wooded embankments. You will reach a small road at three removable posts.

(4) Turn left and follow this road straight ahead, which leads to a car park (viewpoint over the Mer Blanche lagoon).

GR®34 trail markers (white and red)

(5) Turn right after the car park at the end of the road and continue along the well-marked path that runs along the bottom of the cove. Pass a developed area (decking) and continue along the cove.

(6) At the crossroads, turn left and continue towards the end of the cove. Turn left at a right angle. Please note that there is a slight difference between the route and the purple line on the map. New paths have been opened and the^GR® route has been modified.

PR® (Blue)

(7) Leave the^{GR® trail} continuing along the edge of the ria and turn right to head north to a roundabout. Turn right and arrive at the Saint-Sébastien Chapel, renovated in 2013 after 12 years of volunteer work, an ideal place for a break. Also note the small house near the chapel.

No markings

(8) At the first road, turn right towards a horse boarding facility, pass it and continue on this small road which turns right and then heads south to a junction of paths.

(6) Turn left and continue along the path that runs alongside a field and leads to a road.

(9) Follow this road to the right, which leads to the Mer Blanche car park. You will reach the path you took on the way there.

GR®34 trail markers (white and red)

(4) Turn left and follow the route you took on the way there.

(3) Continue along the road to reach the back of the dune at Kerler Beach.

(2) Turn left and follow the wide path behind the dune. This path is shared with cyclists. Pass a car park, then walk along the back of the Hôtel de la Pointe and cross the Route de la Pointe with caution to return to the car park (S/E).

Toilets at Pointe de Mousterlin and Kerler Beach.
The surface has been resurfaced for bicycles, hence the sharing of the route.
Please note: between (2) and (3), the small road is very busy during the summer and at weekends (access to the beach and popular spots for seaside walks).

Depending on the tide, it is also possible to walk along the beach to (2).
There are numerous passages connecting these different options.

For a longer route, you can combine it with La Mer Blanche near Mousterlin.

Vast panorama of the open sea with the Glénans archipelago on the horizon, accessible by boat from Concarneau.
La Mer Blanche
Saint-Sébastien Chapel