Brazda lui Novac

Brazda lui Novac ("Novac's Furrow") is a Roman frontier system (Latin: limes) in present-day Romania, known also as Constantine's Wall.

It is believed by some historians to border Ripa Gothica.

[1] The vallum of Brazda lui Novac starts from Drobeta, nowadays it is visible to Ploiești.

[citation needed] There is some evidence that the vallum eastern limit was the Siret River.

It is believed that the wall was raised during Tiberius Plautius Aelianus.

Constantine's Wall in green
Fosa Traian depicted in 1789 map