Where Were Canals Built and Why?

Notable Historic Canals

• Grand Canal of China: World's longest (1,700+ miles), built from 5th century BC to transport goods and people between north and south China.
• Panama Canal: Connects Atlantic and Pacific; opened early 20th century, drastically reducing voyage times.
• Suez Canal: Links Mediterranean and Red Sea; opened late 19th century, revolutionizing Europe–Asia trade.
• Erie Canal: Connected Great Lakes to Atlantic via New York; early 19th century, spurred Midwest settlement and economic growth.

Why Canals Were Built

• Transportation: Faster, cheaper movement of goods and people than overland routes.
• Irrigation: Brought water to arid farmlands, boosting agricultural yields.
• Power Generation: Provided hydroelectric power, a clean renewable energy source.
• Recreation: Used for boating, fishing, and leisure.

Canals have been pivotal in civilization's development and remain vital to global transport and water supply.