Don dôn [key], river, c.70 mi (110 km) long, rising in the Pennines, N England. It flows SE through Sheffield, then turns NE and flows past Rotherham and Doncaster to the River Ouse at Goole. Canals and locks enable barges to reach Sheffield.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: British and Irish Physical Geography