Apr 14, 2012 - 11:04 AM
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You can check the details of your journey by Euronight train from Zürich to Salzburg through the Swiss Timetable
. Just fill out Zürich and Salzburg as stations of departure and arrival, the date and time of departure etc.. If you click on Fare/Buy you'll see the relevant information, including the route the train will take (click on the "plus" right under the number of the connection of your choice).
With a Swiss Pass your journey will be free to the Swiss border station (Buchs SG). From there to Salzburg you will have to pay.
You'll have to make reservations for the whole journey as you travel by international train.
Making reservations will possibly be included in the fare. This becomes clear when you follow all the steps of ordering your ticket.
I hope this helps!