Derwentwater, one of the most beautiful of the Cumberland lakes, in the S. of the county; extends S. from Keswick; is over 3 m. long, and over 1 m. broad; is dotted with wooded islands, and is overlooked by Skiddaw; it abounds with perch.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Dervishes * Derwentwater, Earl of