Pausanias says that on the inner side of the embankment there flows a river, which, descending into a chasm of the earth, issues again at a place called Nasi (); and that the name of the village where it issues is named Rheunus ().
Pausanias states that on the inner side of the embankment, a river flows; it descends into an earth chasm and reappears at a location named Nasi (); and the name of the village where it emerges is Rheunus ().