Map of Geneva
How to come from the main railway station
Your destination
Go to the following stop
Take the following line
Get off at the following stop
Uni-Mail stop Cornavin
on the place in front of the station
tram 15 direction Palettes stop Uni-Mail
(5th stop)
Hôtel Carmen stop Cornavin
on the place in front of the station
tram 13 direction Palettes, or
tram 15 direction Palettes
stop Pont-d'Arve (tram 13)
or Uni-Mail (tram 15)
(5th stop)
Hôtel Le Prince stop Cornavin
on the place in front of the station
tram 13 direction Palettes stop Pont-d'Arve 
(5th stop)
For more informations, see also : http://www.unige.ch/math/instruct/