In Saint-Jacut, park at the Plage des Hass car park on the west coast of the peninsula.
(S/E) From the car park, walk down to the beach and follow the customs officers' path (GR®34) to the right. The path runs along the west coast of the Saint-Jacut peninsula and reaches Pointe du Chevet, located at the northern tip of the peninsula.
(1) From the point, head onto the exposed beach, aiming for the rocky outcrops, first heading southwest, then north.
(2) Pass Petit Ânon and continue north.
::3: Pass La Roche aux Grands and then cross the sandy foreshore to the northeast towards Île des Hébihens.
(4) Just before the island is the islet of La Loge, which you will need to climb over. It can be bypassed to the east if the tide is low enough.
(5) Land on Île des Hébihens at its southern end. A message painted on a rock indicates that the island is private and that visitors are requested not to stray from the path. Take the path northwards.
(6) Pass by the foot of the Hébihens observation tower, built in 1696 based on plans by Vauban. Continue along the path to the northern tip of the island.
(7) Turn around.
(5) Leave the island via the southern entrance and head for Îlot de la Loge.
(4) You may need to go around it on the left due to the ebb tide.
(3) Pass by Rocher des Grands again.
(2) Then via Petit Ânon. From there, leave the route you took on the way there and head south-west towards Petite Roche.
(8) Walk along the left side of Îlot de la Petite Roche. From there, walk along the sandy foreshore towards the south-east in the direction of Plage des Haas. Reach the beach and walk back up to the car park (S/E).