Tygart tīˈgərt [key], river, c.160 mi (260 km) long, rising in E West Virginia and flowing north to join the West Fork and form the Monongahela at Fairmont. Tygart River Dam (completed 1938), near Grafton, forms a large reservoir in Tygart Lake State Park.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: U.S. Physical Geography