Roman Town Walls

The Roman Ovilava (now Wels) was surrounded by a wall, which was probably built in the 3rd century after the Alemannic invasions (233-235). The wall, which was 4 km long and up to 1.35 m wide, encircled an area of ??92 ha. It consisted of conglomerate rocks.

There were about 50 watchtowers along the wall, which were set up at a distance of about 67 m and had a square ground plan.
 
Excavations could accurately reconstruct the course of this wall, so that today you have quite an accurate idea of ??the size of the Roman Ovilava. The wall ...