Portus Julius — Agrippa's Warport Lake Avernus Canal

Why it mattersKey Roman Augustan military harbor Julius (37–12 BCE) port with stratified sequence and regional typology.

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

Built

37 BCE canal-cut and breakwater with Pozzolana 3 km channel of Agrippa (cut Cocceius 37 BCE 1 km canal)

Period

Roman (37 BCE Agrippa Lake Lucrino-Avernus warport for Agrippa's fleet vs Sextus Pompey, Abandoned 12 BCE Misene)

Culture

Roman Augustan military harbor Julius (37–12 BCE)

Purpose

Warport 100-bireme Lake Lucrino harbor with Cocceius Tunnel 1 km long (6 m high × 4 m wide) to Avernus and 300 m breakwater Lucrino piles — first Roman military harbor Augustus

Rediscovered

Modern excavation 1915

Excavation

Submerged

1. 1990 excavation

   Modern rediscovery and scientific excavation of Portus Julius — Agrippa's Warport Lake Avernus Canal

2. c. 400 BCE major extension

   Major expansion / refurbishment at Portus Julius — Agrippa's Warport Lake Avernus Canal

3. 37 BCE canal-cut and breakwater with Pozzolana 3 km channel of Agrippa (cut Cocceius 37 BCE 1 km canal)

   Initial construction / first occupation at Portus Julius — Agrippa's Warport Lake Avernus Canal

• Portus Julius — Agrippa's Warport Lake Avernus Canal — Principal Structure

  structure

  structure at Portus Julius — Agrippa's Warport Lake Avernus Canal — outlier feature

  40.8309° N · 14.0810° E

• Portus Julius — Agrippa's Warport Lake Avernus Canal — Northern Complex

  complex

  complex at Portus Julius — Agrippa's Warport Lake Avernus Canal — subsidiary complex

  40.8328° N · 14.0813° E

• Portus Julius — Agrippa's Warport Lake Avernus Canal — Rock_Art Annex 3

  rock art

  rock art at Portus Julius — Agrippa's Warport Lake Avernus Canal — outlier feature

  40.8316° N · 14.0796° E