Spent two evenings here as we took the Bernina Express to Tirano and back one day. When we checked in they gave us two cards for travel in the area. I informed the we have been using the Swiss Travel Pass which is good everywhere. I received other local cards from hotels for travel in their area while in Switzerland. My surprise was when we arrived in Zurich I received an email that I had to turn in the cards upon departure. NO ONE at the front desk when I checked out asked for the cards back. Bottom line I mailed the cards back to them from our Zurich hotel. Sounds like more of a big deal than it was, but it would be nice to know the cards MUST be returned or you can just not take them. The email exchange between the hotel and me was very cordial, as I guess I was also to blame, and didn't detract from our stay there. This is more an FYI, to be sure to surrender the rail cards or just don't take them if you are using a Swiss Travel Pass. Nice hotel, and would stay there again.