Ch&_6; teaudes Ducsde Bretagne Duke of Greater Brittany Castle fully demonstrates the long history of Nantes. Ancient buildings have been well maintained, highlighting the Royal style. The opening time is from 9:00 to 19:00 in mid-May to mid-September, and from mid-September to mid-May, Wednesday to Monday from 10:00 to 18:00. Square: Free. Visit one of the museums or exhibitions: adults/children_5/3. Museums or exhibitions are visited: adults/children_8/4.8. It's 10 minutes'walk from the railway station.