ENSL Math Department (UMPA - UMR 5669)
46, allée d'Italie
69364 Lyon cedex 7
04 72 72 84 24 (secretariat of the math research department)
04 72 72 80 00 (switchboard ENS-Lyon, site Monod)

How to come to UMPA by the subway

From the Part-Dieu train station: exit: Vivier-Merle then, ...
use the subway : line B (colored blue) towards Gare d'Oullins till the station: Debourg.
map of the subway-tram : click here (sources : maps of the réseau TCL)
Journey planner

The ticket (single: 1.90 euros in October 2018) must be stamped and is valid for one hour (TCL).
 The one-day ticket costs 5,80€.
It is available through automaton (which accepts coins and gives change) just before the subway platform.

Warning: once arrived at the Debourg station, you must reach the "Campus Jacques Monod" (Science).

Not to be confused with the "Campus René Descartes" (Letters).

Indications with pictures below.

Map of the quarter: click here (source: Ens-Lyon accès)

Another map of the quarter: click here (unidentified source)

Once at the Debourg station: (click on the pictures to enlarge)
1) Exit through the front of the subway station Debourg. 2) You arrive on the avenue Jean-Jaurès. Walk till the traffic light.
3) At the traffic light, cross the avenue Jean-Jaurès (turn right). You are now on the  Challemel-Lacour street. 4) Follow this street till the place des Pavillons.
5) Engage under the porch of the place des pavillons. You are entering the allée d'Italie. 6) follow the allée d'Italie until the main building of the Ens-Lyon. 
     interphone                  Whew, finally arrived.
7) The main entrance lies on the left under the arch of the main building. There is always somebody at the desk.  8) The math research department, UMPA, lies on the 4th flour. When leaving the elevator, turn right twice to reach the center of the department.

The official access to the ENS-Lyon WEB page
The site of the UMPA.