Cockermouth Castle Cockermouth Castle crowns a promontory between your rivers Derwent and Cocker. The well known William p Fortibus acquired the manor in 1215 and built a castle here, possibly with an older site, but Henry III purchased its destruction upon his downfall six years later. It appears to possess made it this episode but the majority of the present complex may be the work of Gilbert, last from the Umfraville barons, and Henry Percy, who acquired Cockermouth on Gilbert's dying in 1381. As Earl of Northumberland, the second performed a significant part within the Border struggles from the period. And also the Black Douglas sacked the incomplete castle. Henry is much better noted for his revolts against Henry IV, familiar from Shakespeare. The castle continued to be in Percy hands but drifted into decay. Regardless of long lasting a Royalist siege throughout the uprising of 1648, the castle was ignored by Parliament like a potentially harmful stronghold. Around 1800, Percy Wyndham, Earl of Egremont, built an estate within the outer bailey. The castle includes a triangular plan much like Carlisle, its apex looking over the junction from the rivers. There's no keep. Gilbert p Umfraville largely reconstructed the interior bailey although the curtain includes servings of William p Fortibus' work. The well-maintained outer curtain is entirely Henry Percy's. Its east front is flanked left through the square Flag Tower, now gabled, and right with a mighty gatehouse. This massive, oblong structure has got the sidewalls of the barbican in-front. A row of shields within the gateway bears the arms of Henry Percy and the allies. He vaulted gate passage was defended with a portcullis and three teams of doorways. Inside the outer bailey may be the Wyndham mansion, built from the curtain. The interior bailey is a lot Destroyed and it has been altered to some degree.