Jun 10, 2018 - 8:58 PM
I don’t know how young you are, but when my son was in his late 20s, he went to Switzerland without any reservations for anything. He did buy a Swiss Travel Pass, but the rest of his trip was adlib. He mostly stayed in youth hostels and never had a problem getting a room at a hotel or hostel at the last minute. This was around August.
He did tell me the story of traveling on a train and getting into a discussion with locals. When he told them his travel was all unplanned, they had an immediate look of panic, or at least concern. They wanted to be sure he knew what he was doing. He assured them that so far the trip was going well.
So, it can be done, but setting up a reservation the day before might be safer.