Start from Petit Port Ice-rink (car park just opposite, tram nearby).
(S/F) Opposite the ice-rink, head left on Chemin de la Censive. Turn right at the first fork.
(1) Head left along "le Cens" stream until you reach the junction with "l'Erdre" stream.
(2) Where "le Cens" flows into "l'Erdre", go left along "l'Erdre" bank following the GR3 towards "la Jonelière".
(3) Before reaching the railway viaduct, leave the GR and head onto Chemin de la Pierre Percée. Take the path along "le Gesvres" stream until "Le Boulevard Martin Luther King". Cross the road, heading along the right-hand side to the north until you reach the ring road.
(4) Head back due south on a trail. The trail heads of to the right passing in front of a lake.
(5) Turn off to the left reaching Rue Stéphane Leduc to the right.
(6) Cross the tramway tracks and keep going on the other side. At the roundabout, turn right, then left across the racetrack.
(7) At the exit, head left at Boulevard des Tribunes roundabout leading to the ice-rink (S/F).