Lancaster Castle
Lancashire, England
Lancaster Castle is a castle in Lancashire, England, first built in the 11th century. It is a Grade I listed building. The nearest other castle is Mourholme, 7.0 mi away. It is owned by Duchy of Lancaster.

Lancaster Castle at a glance
Built
1093
11th century
Type
Castle
Cared for by
Duchy of Lancaster
Heritage status
Grade I listed building
About Lancaster Castle
Lancaster Castle is a medieval castle and former prison in Lancaster in the English county of Lancashire. Its early history is unclear, but it was most likely founded in 1092-4 on the site of a Roman fort overlooking a crossing of the River Lune.
From the Wikipedia article on Lancaster Castle, CC BY-SA 4.0.
Lancaster Castle sits at 54.0498, -2.8056 in Lancashire. The closest other castles are Mourholme (7.0 mi), Hornby Castle (8.2 mi) and Arnside Tower (9.4 mi). Lancashire has 9 castles in all.