Penruddock is a location in the Lake District in northwest England. The name of the place should be derived from the Cumbrian language. Pen means red in Cumbrian Mountain and rhudd. The landscape east of Penruddock is still called Redhills today. The place itself, however, is located on a visible in many places gray limestone. Penruddock had a stop of Cockermouth, Keswick and Penrith Railway.