Geography

Famous Aqueducts of the Ancient & Modern World

Name: Famous Aqueducts of the Ancient & Modern World
Creator: Community curated
License: https://creativecommons.org/licenses/by/4.0/

Pont du Gard, Roman aqueducts, California Aqueduct — which feat of water engineering is the most impressive?

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Updated:3/7/2026

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Aqueduct↕	Location↕	Era Built↕	Length↕	Known For↕
Pont du Gard	Nîmes, France	c. 19 BCE (Roman)	50 km (full system)	Iconic three-tiered Roman bridge-aqueduct, 49m tall, UNESCO World Heritage, most photographed Roman ruin in France
Aqua Appia	Rome, Italy	312 BCE	16.4 km	First Roman aqueduct ever built, mostly underground, built by censor Appius Claudius Caecus, started Rome's water revolution
Aqua Claudia	Rome, Italy	38-52 CE	69 km	Dramatic arched structure entering Rome, Emperor Claudius completed it, ruins still visible at Porta Maggiore
Aqueduct of Segovia	Segovia, Spain	1st-2nd century CE	17 km (813m visible)	Best-preserved Roman aqueduct, 167 granite arches, no mortar used, still standing after 2,000 years, UNESCO site
Qanat System (Persian)	Iran (throughout)	c. 1000 BCE onward	Varies (some 70+ km)	Underground tunnels using gravity, no pumps needed, 37,000+ qanats in Iran, fed Persian civilization for 3,000 years
Caesarea Aqueduct	Caesarea, Israel	c. 22 BCE (Herodian)	23 km	Built by King Herod, runs along Mediterranean beach, now a stunning archaeological site with sand dunes, double-channel
California Aqueduct	California, USA	1963-1997	1,129 km	Moves water 700+ km from Northern to Southern California, powers Los Angeles, controversial water politics, Chinatown film
Colorado River Aqueduct	California/Arizona, USA	1933-1941	389 km	Crosses desert and mountains to bring Colorado River water to LA, 5 pumping stations lift water over mountains
Croton Aqueduct	New York City, USA	1837-1842	66 km	First major water supply for NYC, gravity-fed from Westchester, High Bridge is NYC's oldest standing bridge
Anio Novus	Rome, Italy	38-52 CE	87 km	Longest of Rome's 11 aqueducts, highest water volume, built alongside Aqua Claudia, fed the imperial palaces
Great Man-Made River	Libya	1983-present	2,820 km of pipes	World's largest irrigation project, pumps fossil water from Saharan aquifers, Gaddafi's mega-project, 6.5M m³/day
Aqueduct of Vanvitelli (Carolino)	Caserta, Italy	1753-1770	38 km	Built by Luigi Vanvitelli for the Royal Palace of Caserta, stunning valley bridge spans, UNESCO World Heritage Site
Catskill Aqueduct	New York, USA	1907-1917	148 km	Brings water from Catskill Mountains to NYC, crosses Hudson River via deep tunnel, gravity-powered, unfiltered clean water
Les Ferreres Aqueduct (Devil's Bridge)	Tarragona, Spain	1st century BCE (Roman)	25 km (217m bridge)	Two-tiered Roman bridge 27m high, legend says devil built it, Tarraco's water supply, impressive gorge crossing
Thirlmere Aqueduct	Lake District to Manchester, England	1890-1894	154 km	Victorian engineering marvel, gravity-fed pipeline from Lake District to Manchester, no pumps needed, still in use today