Which Roman god was the personification of the Tiber River?

Which Roman god was the personification of the Tiber River? Tiberinus was the Roman god and personification of the Tiber River.

Romans treated important rivers as divine beings, and Tiberinus was the genius, or spiritual presence, of the river that runs through Rome. He was often imagined as a mature, reclining river god, a convention also used in Roman art for other rivers. The Tiber’s importance to transport, trade, agriculture, flooding, and Rome’s foundation made its divine guardian especially significant.

In Virgil’s Aeneid, Tiberinus appears to Aeneas in a dream after the Trojan hero reaches Italy. He calms the river and advises Aeneas to seek an alliance with Evander, helping direct the events that lead toward Rome’s legendary foundation. Another tradition says the river was once called Albula and took the name Tiber after Tiberinus, a king of Alba Longa, drowned while crossing it.

Tiberinus is easy to confuse with Neptune, the broader Roman god of the sea, or with Volturnus, another Italian river deity. Unlike those figures, Tiberinus specifically embodies Rome’s Tiber.