[German version]

Tributary of the Tiber running through Sabina and Umbria, present-day Nera, parts of which formed the boundary between regio IV and VI (Enn. Ann. fr. 260 V²: sulphureas ... Naris ad undas; Verg. Aen. 7,517; nar is Sabine for  ‘sulphur’). It had its source at Mons Tetrica in the territory of Nursia. M'. Curius [4] Dentatus diverted the Velinus (outflow of the Lacus Velinus and the Avens, Himella und Tolerus rivers) into the N. It flowed past Interamna [1] Nahars (modern Terni), where it was crossed by the via Flaminia, which led to Spoletium. It ran below Narnia and wa…