The
ticket (single: 1.90 euros in September 2022) 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" (Sciences).
Not to be confused with the "Campus René Descartes"
(Letters).
Indications with pictures below.
Another map of the
quarter: click here
(unidentified source)
Once at the Debourg station: (click on the pictures to enlarge) (well, the pictures are a bit outdated)