The best way to discover Alsace:you can buy the Pass Alsace and choose the type of Pass: 24h, 48h or the 3 days (to use in a period of 14 days) adapted to your trip.
If you will visit Strasbourg don't forget to choose a pass including Batorama boat tour.
If you stay only in Strasbourg and North of Alsace, the Pass North'Alsace+ Batorama will be ideal for you.
By buying the pass you can choose 1 of the 4 points in Alsace to retrieve your Pass.Those 4 points are localized in touristic places: Batorama shop in Strasbourg, Tourist Office of Selestat, Tourist Office of Ribeauvillé and Tourist Office of Mulhouse.
Once you get your Pass it will be activated after your first visit.
Each time when you visit a site you have to show your pass at the entry. The system is digitalized and there are readers to read the smart chip contactless in your pass giving you the authorization to entry free of charge.
There is also a smartphone app to guide you.