Tynemouth Castle is a historic fortress located in Tynemouth, Northumberland, England. It overlooks the mouth of the River Tyne and has been a significant defensive site since the Roman era. The castle features impressive stone walls and structures, showcasing its long history of military importance. The site includes the remains of a medieval castle and a Benedictine priory, which dates back to the 11th century. Today, Tynemouth Castle is a popular tourist attraction, offering visitors stunning views of the coastline and insights into its rich heritage. It is managed by English Heritage.