The Antique Theatre of Champlieu is a monument in the municipality of Orrouy (Oise, Hauts-de-France). It is an attraction for holidaymakers staying in the region.
Ruins of a Gallo-Roman theater and thermal baths.
The Vivenel museum in Compiègne opened several rooms dedicated to Champlieu (life in the first centuries). It is a very beautiful development of stone blocks from Champlieu. A model of the site in Roman times is visible. A visit is necessary.
