The complete tour of the ramparts is of 1.754 km; 2 ramps allow you to avoid the stairs that are in each tower and gate of the city.2 ramps allow you to safely access and walk on the ramparts, so the 2 routes allow you to enjoy one of the most beautiful views of the Bay of Saint-Malo and the walk on the ramparts in their entirety.
- Bastion de la Hollande by the Ramp of Moulin Colin in the direction of the Porte Saint-Thomas located east of the ramparts: 800 meters approximately, that is to say a course of 1.6 km round trip.
- Bastion St Philippe in the direction of the Porte Saint-Vincent located to the South-East: 750 meters, that is to say a course of 1.5 km round trip.
In both cases you must retrace your steps to go back down the ramparts