We stayed in Tours for two nights.
We left Azay-le-rideau and headed to Tours by train. We stayed in a hotel near the train station with the weather starting to turn bad for the first time in the entire trip.
The first day was pretty quiet, we wandered the town and checked out the Saint-Gatien Cathredal. Tours is quite a large city (130000 ppl).
The stayed in Tours for two nights. The second day we went Chateau Chenonceau, which was built over the river Cher.