Taking more than 12 years to complete the Château at Azay-le-Rideau is built on a small island in the Indre river.
Once the home of of the French writer and poet Tallemant Réaux the Château des Reaux is now a privately owned hotel.
One of the oldest château of the the Loire Valley Sully was built around 1395 but it is thought that a castle has sat on the site since Roman times.
Technically the oldest castle in the Loire Valley the Château de Chaumont was originally built as a fortress in the 10th century.
One of the most famous chateaux of the Loire valley Chenonceau bridges the river River Cher and was built in the 11th century.