List of Roman canals

Roman canals were typically multi-purpose structures, intended for irrigation, drainage, land reclamation, flood control and navigation where feasible.

Channels which served the needs of urban water supply are covered at the List of aqueducts in the Roman Empire.

[1][2][3] The Romans under Trajan too secured the entrance to the Red Sea with sluice gates, while they extended the canal south to the height of modern Cairo in order to improve its water inflow.

[4] The existence of ancient pound locks to bridge height gaps has been proposed by a number of authors,[2][5][6] but in the absence of clear archaeological evidence the question seems to be permanently undecided.

[7] By chronological order: In the following, Roman canal projects which were never completed for various reasons are listed.