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Perguet Chapel is situated alongside the D44, which links Fouesnant to Bénodet. Parking is available next to the chapel.
Whether you’re starting or finishing the walk, take the time to explore this complex, which includes the chapel with its adjoining ossuary, its calvary and its triumphal arch.
(S/E) With your back to the chapel, head south along the small tree-lined road with a 50 km/h speed limit (Hent Menez Perguet). Walk past an old orchard on your left and, after about 700 m, you’ll reach a junction with a signpost.
Light blue signposting in the opposite direction (“Around Mousterlin”)
(1) Continue to the “Give Way” sign, cross the D134 with care and take the safety lane on the right. At the house just before the road sign for Kerler Beach, note a pretty well on your left. Ignore the road to the beach – you’ll take that on the way back – and continue along the D134 (no more safety lane) until, after about a hundred metres, you reach the sign for Saint-Sébastien Chapel.
(2) Turn onto this small road leading to the chapel. Near a house (marked ‘Keramanson’ on the map), you’ll notice an old bread oven and meadows where horses from the nearby riding centre regularly graze. Ignore a turn-off on the left and you’ll soon reach the modest Saint-Sébastien Chapel (a 12th-century chapel which was extended in the 15th and 17th centuries and restored twice, in the mid-20th century and in 2013).
(3) Continue to the nearby roundabout, noting, on your left, a rustic garden created from fallen trees. Turn left at the roundabout, despite the Blue Cross, and follow this stretch of road (Hent Leurbrat), which continues as a dirt track leading to the end of a cove in the Mer Blanche Nature Reserve.
Light blue signposting in the opposite direction (“Autour de Mousterlin”) +GR® ®34 marked in white and red
(4) Turn right and follow the edge of the cove, on your right, to gradually discover the Mer Blanche Nature Reserve behind the Mousterlin State Dune. Continue along a boardwalk until you reach a car park.
(5) Turn left and follow the small road straight ahead, lined with oak trees; after about 500 m, ignore the dual signposting that branches off to the right.
No signposts
Carry on along this small road, which bends to the right, running alongside a meadow where the neighbouring farm’s impressive herd of Charolais cows usually grazes, until you reach the road leading to Kerler Beach.
(6) Turn left onto this road (Hent Kerler) and join the D134. At the stop sign, turn right, following the pedestrian crossing for about a hundred metres. Opposite a bus shelter, cross this departmental road with care, take the road opposite (Hent Menez Perguet) and you’ll reach some directional signs.
Light blue signposting (“Autour de Mousterlin”)
(1) Turn right onto the small road (Hent Prajoumarc) which runs between a somewhat overgrown wooded area on the left and a residential neighbourhood on the right. Ignore a road on the right and continue in the same direction along the road, which is now called Hent Pen Ilis. It is bordered on the left by wetlands. Near an abandoned farm, look out for an Iron Age stone marker on the left, then arrive at a T-junction where the light blue-marked route branches off to the right.
Unmarked
(7) Turn left, then turn left again at the first road (signposted ‘Hent Kergonoën’), cross a small stream and continue along the same road, which climbs slightly, until you reach the first road on the left (signposted ‘Hent Mespiolet’).
(8) Take this small road, follow it to the end, ignoring all private turnings on both the right and left, until you reach the road leading to the chapel. Turn right to join this road (S/E).
Visorando Member
Moderate 
