Examples for

Rivers

A river is a body of water that flows in a channel from a source to another body of water, like an ocean, a stream, a lake or another river. From the Amazon River to the Yangtze River, Wolfram|Alpha can provide you with information about a river's length, outflow, average discharge, drainage area and location.
Rivers

Learn more about a river's features.

Get information about a river:

Mississippi River

Compare several rivers:

Tigris, Euphrates
Columbia River vs. Ohio River vs. Missouri River
More examples
Properties of Rivers

Use the features of rivers to do computations.

Request a river property:

Columbia River drainage area
Rhine river countries

Compare rivers with respect to a property:

Colorado River, Potomac River length
drainage area of Danube River, Volga river

Do computations with river properties:

length Amazon / Nile
(average discharge of Euphrates river plus average discharge of the Yellow River)/2

Find longest notable rivers in a country:

longest rivers in India
More examples