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Cloaca Maxima

a Pleiades place resource

Creators: Jeffrey Becker

Contributors: Brady Kiesling

Last modified May 03, 2026 10:59 AM — History

The Cloaca Maxima drained the valley of the Forum Romanum. The sewer originates as a canalized drain in the late sixth century BCE. It would eventually be vaulted and interred. It drains into the Tiber River.

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Canonical URI for this page:
https://pleiades.stoa.org/places/867802692

Representative Point (Latitude, Longitude):
41.8888344, 12.4802374

Locations:

Representative Locations:
- OSM location of mouth of the Cloaca Maxima (unspecified date range) accuracy: +/- 20 meters.

Names:

Geographic Names:
- Cloaca Maxima (Latin, 30 BC - AD 300)

Cloaca Maxima makes connections with:

Cloaca Maxima located at Forum Boarium (at Rome) (unspecified date range)
Cloaca Maxima located at Forum Romanum (unspecified date range)
Cloaca Maxima located at Roma (unspecified date range)
Cloaca Maxima flows into Tiberis (river) (unspecified date range)
Cloaca Maxima located at Velabrum (unspecified date range)

Cloaca Maxima receives connections from:

None

Place type:
sewer

References:

Evidence:

See Further:

Related:

Initial Provenance:
Pleiades

Details:

Alternate representations:
Atom, JSON, KML, RDF+XML, Turtle

Suggested citation:
Jeffrey Becker, and Brady Kiesling, 'Cloaca Maxima: a Pleiades place resource', Pleiades: A Gazetteer of Past Places, 2026 <https://pleiades.stoa.org/places/867802692> [accessed: 16 June 2026]

Cite this resource in Wikipedia:

            {{cite web |url=https://pleiades.stoa.org/places/867802692 |title=Places: 867802692 (Cloaca Maxima) |author=Becker, J. |accessdate=June 16, 2026 2:09 pm |publisher=Pleiades}}

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Cloaca Maxima