How about a bicycle ride ?
Ready for a short ride to get started ? It's off to the Route des Moulins (the route of the mills): 20 km and approximately 2 hours.
How about a ride to the chateaus of Chenonceau and Montrésor ? 30 km, approximately 2 1/2 hours
And if you are not a bicycle enthusiast, you can visit the area on foot: there are loops of 9, 10, and 12 km.