Rideau Canal


World Heritage Identification Number: 1221

World Heritage since: 2007

Category: Cultural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇨🇦 Canada

Continent: Americas

UNESCO World Region: Europe and North America

Map

Navigating History: The Rideau Canal - A Unesco World Heritage Site

The Rideau Canal, a veritable testament to engineering prowess and historical significance, stretches across 202 kilometers, connecting the Ottawa River at Ottawa with the Cataraqui River and Lake Ontario at Kingston, Ontario, Canada. This architectural marvel, inscribed as a UNESCO World Heritage Site in 2007, stands as a remarkable remnant of the early 19th-century canal-building era.

More to come…

UNESCO Description of the World Heritage Site

The Rideau Canal, a monumental early 19th-century construction covering 202 km of the Rideau and Cataraqui rivers from Ottawa south to Kingston Harbour on Lake Ontario, was built primarily for strategic military purposes at a time when Great Britain and the United States vied for control of the region. The site, one of the first canals to be designed specifically for steam-powered vessels, also features an ensemble of fortifications. It is the best-preserved example of a slackwater canal in North America, demonstrating the use of this European technology on a large scale. It is the only canal dating from the great North American canal-building era of the early 19th century to remain operational along its original line with most of its structures intact.

Encyclopedia Record: Rideau Canal

The Rideau Canal is a 202-kilometre long canal that links the Ottawa River at Ottawa with the Cataraqui River and Lake Ontario at Kingston, Ontario, Canada. Its 46 locks raise boats from the Ottawa River 83 metres upstream along the Rideau River to the Rideau Lakes, and from there drop 50 metres downstream along the Cataraqui River to Kingston.

Read more on Wikipedia

Additional Site Details

Area: 21,454.81 hectares

UNESCO Criteria: (i) — Masterpiece of human creative genius
(iv) — Outstanding example of a type of building or landscape

Coordinates: 44.9943861111 , -75.765125

Image

Image of Rideau Canal

© Bobak Ha'Eri, CC BY-SA 2.5 Resized from original. (This derivative is under the same CC BY-SA license.)

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Nearby World Heritage Sites

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Country Information: Canada

Flag of Canada

Official Name: Canada

Capital: Ottawa

Continent: Americas

Population (2024): 41,288,599

Population (2023): 40,083,484

Population (2022): 38,935,934

Land Area: 8,788,700 sq km

Currency: Canadian dollar (CAD)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Rideau Canal are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Rideau Canal, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

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