By train: take a train to Aigle, then take a mountain train to Les Diablerets.
Map of Les Diablerets (in pdf)
Detailed car and train directions to Diablerets
(in french)
Swiss railways website
Most of the participants will stay at the
Hotel Les Sources.
The price of accommodation and full board at the Hotel Les Sources:
in a double room: CHF 132 per person per night
in a single room: CHF 154 per person per night
children staying with their parents:
0-2 years old: free
3-10 years old: CHF 32 per night
11 years old: CHF 73 per night
from 12 years old: CHF 93 per night
Grants for PhD students of the CUSO universities might become available.