Coordinates: 54°40′08″N 3°23′06″W / 54.669°N 3.385°W / 54.669; -3.385
Papcastle is a village and civil parish in the Borough of Allerdale in the English county of Cumbria. The village is now effectively a northern extension of Cockermouth, which lies to the south of the River Derwent. It has its own parish council and lies within Bridekirk Parish for Church of England purposes. It has a population of 406, reducing to 385 at the 2011 Census, which is slowly declining.
The name of Papcastle is said to be a compound formed from Old Norse and Old English papi+cæster, meaning 'the Roman fort inhabited by a hermit'.
It has been known for some time that there was a Roman presence at Papcastle. It was the site of a Roman fort called Derventio, which was originally built in timber and rebuilt in stone. There was also a civilian settlement (vicus). The remains of the forts and part of the vicus were designated an ancient monument in 1992.
Belle Vue Village Hall was built as a reading room for men only in 1895, donated by local resident, Honora Wybergh, who lived at The Mount, a large house now demolished to make way for the modern Mount housing estate. Originally run by trustees, a new management scheme set up in 1940 by the Charity Commission is still in force. The Hall is run by the Council of Management (Trustees).