you can choose Eurail Austria - Switzerland Pass , this pass allow you to travel in Austria and Switzeland.
Information
**Available for 4 up to and including 10 days of travel within a 2-month period
There is a 1st class version for individual travelers and for groups of 2 or more people traveling together (Saver Pass)
For travelers under 26 years of age, there is a reduced price Pass in 2nd class available (Youth Pass)