Ullswater, lake, 71⁄2 mi (12.1 km) long, Cumbria, NW England; second largest in the country. It is divided into three reaches. The waterfall of Aira Force (65 ft/20 m high) and Helvellyn Mt. are nearby. Gowbarrow, west of the lake, is said to have been the inspiration of William Wordsworth's poem “Daffodils.”

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2023, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: British and Irish Physical Geography