When you arrive in Batz-sur-Mer du Pouliguen via the Route du Dervin, park in the car park on the right-hand side of the road, near the small Baie du Dervin. This is about 200 m before you reach the Le Grand Blockhaus Museum.
Red and white markings forthe GR®®34
(S/E) Cross the road to reach the coast and follow the coastal path, marked by theGR®®34, on the right.
(1) Pass the "La Pierre Longue" menhir. Continue between Saint-Michel Beach and the houses, then for another 200 metres or so. (As this is a round trip, you can of course continue a little further).
(2) Return to the car park by retracing your steps (S/E).