The impressive three-storey gatehouse remains, together with part of a curtain wall into which has been incorporated a much later house (Grade II listed).

King Henry VI took refuge in Bywell Castle after the Battle of Hexham in 1464.

Bywell Castle gave its name to a ship, which ploughed into the SS Princess Alice on the River Thames in September 1878, sinking her within minutes.

The number of lives lost in the disaster are unclear but estimates have ranged from 590 to 640.

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