Click here for the List of CERN clubs.

Hiking:
There is a hiking club organized by a man who works at CERN which arranges hikes each weekend. Details can be found here.

All the information about the volleyball club and how to become a member can be found on the web:

http://club-volleyball.web.cern.ch/

Fitness:
The CERN Fitness club is organizing fitness classes during summer. A new section fit-boxing has also been created. More details here.

Click here for a list of all sports facilities in Meyrin.

Complexe sportif municipal de Maisonnex (SMASH)
Chemin de la Berne 5 - Tél. 022 782 91 31

Bains des Pâquis
30, Quai du Mont-Blanc
Tel. +41 22/ 732 29 74
Monday to Sunday from 9.00 to 21.00

Piscine des...

A list of sports centers in Geneva can here found here.  

In Saint-Genis-Pouilly, you will find a list of clubs and sports associations here.