Augustomagus

Augustomagus is a Roman archaeological site near Senlis featuring the remains of an ancient amphitheater and surrounding fortification walls. The layout reveals a city designed for public gatherings and defense, with structures built into natural rock formations and supported by stone walls.

This settlement gained importance as a major Gallo-Roman city positioned where important trade routes intersected in the region. Its fortifications developed over time as the settlement grew, reflecting the need to protect its growing population and resources.

The amphitheater accommodated up to ten thousand spectators for entertainment events, with seating carved directly into the natural rock formation.

Walking through the site allows you to see the remaining walls and arena layout that define the ancient city's structure. Taking time to move between different areas helps you understand how the space was organized and used by its residents.

Excavations uncovered artifacts dating back to the 1st century that prove the city had direct links with Roman imperial authority. These discoveries show that this place held official status and was valued enough to receive imperial patronage and dedications.

GPS coordinates: 49.20810,2.58750

Latest update: December 14, 2025 14:44