Laon Leave a Comment / Uncategorized / By admin Laon is a historic town, located in the Aisne department in the Hauts-de-France region. From Paris Gare du Nord is 1h30 hours by train. Cathedral Notre Dame of Laon It’s best known for its medieval architecture, hilltop setting, and cathedral, which was one of the most important Gothic churches in France. Laon is built on a steep hill rising above the surrounding plain. Guided tour ‘ Souterrains’ More to see in Laon;Cathedral of LaonMusee-dart-et-darcheologie-du-pays-de-laonAbbaye Saint MartinChapel of the Templars