Turn left in the Rue Raymond Losserand then in the Square Auguste Renoir on right. Walk along the Bd Brune then on left in the Rue Didot which is along the Hopital Broussais. On right , Square Alice and Villa Collet. Turn right in the Rue Ledion then the Rue Giordano Bruno which is along the Petite Ceinture and then the Villa Brune. On left, Notre Dame de Bon Secours. Continue in the Rue Auguste Cain. Take the Rue Coulmier at the other side of the Petite Ceinture.

Continue in the Villa Virginie and turn left in the Rue du Père Corentin then on right in the Rue Beaunier which is along the Réservoirs de Montsouris (Aqueduc du Loing, name of the rivers engraved). Cross the Avenue Reille and enter on right in the Square Montsouris (Quiet street with beautiful houses).

Turn right in the Rue Nansouty. On right , Rue Braque. Turn right in the Rue du Parc Montsouris (U shade). On right , Villa du Parc Montsouris (Private street) then the Impasse Nansouty.
Enter on left in the Parc Montsouris. Take the Allée Montsouris then on right the Allée du Puits which is next to the meteorologic station. On right , Mire du sud (Engraved words dating of Napoléon 1st , Mire du nord at the Butte Montmartre). Turn around the lake. Turn right in the Allée du Lac. Petite ceinture on right.