Start: Cardinal Lemoine metro station – Line 10
Exit 2, Rue Monge.
(S) On leaving the metro, in front of a bakery with a beautiful shopfront, continue straight ahead down Rue Monge and turn left into Square Paul Langevin. Walk the length of the square and exit onto Rue des Écoles. Turn left, cross Rue des Bernardins and Rue de la Montagne Sainte-Geneviève on your left, then Rue des Carmes, from where you can seethe Syriac Catholic Church of Saint Ephrem on your right. Finally, cross Rue Jean de Beauvais and walk along the left-hand side of Square Yves Coppens, Square Auguste Mariotte Pacha, then Square Michel Foucault.
Cross Rue Saint-Jacques, turn right to cross Rue des Écolesand turn left to continue along Rue des Écoleson the right-hand pavement. Cross Rue de Cluny on the right.
(1) Turn right into Square Samuel Paty. Cross it and exit at the far end on the right, onto Place Painlevé, to enter the Medieval Garden of the Cluny Museum opposite.
Follow a narrow path between two low walls, turn left to climb a few steps, passing a garden on your right consisting of planting beds edged with woven wickerwork. Turn right, ignore an exit opposite and head left to walk alongside a playground on your left, exiting at the far end of the square onto Boulevard Saint-Germain.
(2) Cross the boulevard to the right at the pedestrian crossing and continue straight ahead onto Rue de la Harpe. Turn right into the small Rue de la Parcheminerie and enter Square André Lefèvre on the left . Cross the square and exit onto Rue Saint-Jacques.
(3) Head left and, opposite Rue Saint-Séverin on the left, turn right and cross Rue Saint-Jacques at the pedestrian crossing. Continue straight ahead onto Rue Galande. Then turn left onto Rue Saint-Julien le Pauvre and, just after the Church of Saint-Julien le Pauvre, turn right into Square René Viviani.
(4) Cross the square diagonally, go round the fountain on the right and exit onto Rue Lagrange, in front of the fountain, facing the Seine and Notre-Dame Cathedral.
Cross Rue Lagrange, turn right and then immediately left onto Rue de la Bûcherie. Cross Rue de l’Hôtel Colbert, continue along Rue de la Bûcherie and, at the next junction, turn left past the tiny Square Restif de la Bretonne. Turn left onto Rue du Haut Pavé, right onto Quai de Montebello, then take thesecond right onto Rue de Bièvre to find Square Danielle Mitterrand further along on the right.
(5) Walk around the square.
(5) On leaving, take Rue de Bièvre on the right; at the end of the street, turn left onto Boulevard Saint-Germain, then left again onto Rue des Bernardins. At the end of the street, cross Quai de la Tournelle at the pedestrian crossing and continue to the right until you reach a flight of steps, a few dozen metres further on to the left.
(6) Take the steps and then walk as close as possible to the river along the Jardin du Port de la Tournelle. Pass under the Pont de la Tournelle (turn round to see the statue of Sainte-Geneviève, patron saint of Paris, which stands nearly 20 metres above the bridge), then under the Pont de Sully and continue into the Jardin Tino Rossi, which is full of things to discover. After passing the “Jardin des Plantes” Batobus stop, take the ramp on the right, just before the Pont d’Austerlitz, opposite a dog park, to reach the quay. Cross the Quai Saint-Bernard to the right at the pedestrian crossing, continue straight ahead to Place Valhubert, and turn right into the Jardin des Plantes.
(7)Walk around the monument to Lamarck, the French naturalist (1744–1829), located at the entrance, and continue straight ahead to cross the garden in its entirety. Once you reach the esplanade in front of the Grande Galerie de l’Évolution, turn right to take the uphill ramp and pass between the two large greenhouses. Turn left uphill and, when you reach a tree surrounded by stone benches, continue straight ahead downhill. Then turn left, leaving a building behind you, the Hôtel de Magny. Walk past the Fontaine aux Lions on your left and take the exit opposite.
(8) Turn right to cross Rue Cuvier, then left to cross Rue Linné in front of the Fontaine Cuvier and continue along Rue Linné to the right. Turn left onto Rue des Arènes, then turn right into Square Capitan. Head left and climb the steps to reach the Arènes de Lutèce, then head left again to exit onto Rue de Navarre. Turn right; at the end of the street, cross Rue Monge at the pedestrian crossing on the right.
(9) Continue along Rue Monge, to the left. Cross Rue Lacépède, then turn right into Place Monge. Cross Rue Gracieuse and continue straight on to Rue Ortolan, then turn right into Square Marius Constant.
Cross the square via a winding, uphill path and exit onto Rue Saint-Médard. Note a mural at no. 14. Turn left and, at the end of the street, turn left again onto Rue Mouffetard. Note two original murals on the corner of the street. Cross Rue Ortolan to the left and take the next left onto Rue de l’Épée de bois. Turn left onto Rue Pestalozzi, which curves to the right. Cross Rue Gracieuse and Rue Monge, then continue straight ahead into Rue du Puits de l'Ermite. Cross Rue de la Clef and Rue Larrey, then enter Square Robert Montagne straight ahead. Cross the square and exit on the right onto Place du Puits de l'Ermite.
(10) Cross the square at the pedestrian crossing on the left and continue straight ahead along Rue George Desplas, keeping the Grand Mosque of Paris on your left. Turn right onto Rue Daubenton, cross Rue de la Clef then Rue Monge at the pedestrian crossing on the right, and continue straight ahead along Rue de Mirbel.
(11 ) Turn left onto Rue du Marché des Patriarches. Pass a small, leafy square with the Wallace Fountain, Place Bernard Halpern, on your right, and turn right onto Rue Daubenton. At the end of the street, turn left onto Rue Mouffetard. When you reach Place Georges Moustaki, pass the Church of Saint-Médard on your left. Note the striking façade on your right.
Immediately turn left into Square Saint-Médard, also known as Miss Tic. Walk the entire length of the square, exit onto Rue Censier, turn right to cross Rue Censier at the pedestrian crossing, then cross Rue Monge and follow it to the right. Pass Square Adanson on your left and, at the end of the street, keep left and take the next street on the left, Rue du Fer à Moulin. Cross Rue de la Collégiale on your right, and at the corner with Rue Scipion, you’ll reach the entrance to Square Théodore Monod.
(12) Walk around the square and exit the same way you came in.
(12) Head left onto Rue Scipion. At the end of the street, cross Boulevard Saint-Marcel at the pedestrian crossing on the right and continue to the right. Take thefirst left onto Rue Michel Peter, which goes uphill, then turn right onto Rue de la Reine Blanche. At the end of the street, turn right onto Avenue des Gobelins to reach, at the end of the street, Gobelins Metro station. Line 7 (E).