there are so many castles in that area, this is one of the mos popular . We spent 3 days in that area to see Chateaux, and since we stayed near the town of Tour, we picked 2 on the west side and 2 on the east side. From flyers we got at our hotel, this one looks interesting at...
There is a free parking just next to the castle. This parking is a two-minute walk from the castle.
(street Foulques Nerra).
If this one is completed, there are possibilities of parking around the castle in the city center. But parking spaces in the city center are however limited at time or paying.