Ill Bell is a Lake District fell of 757 m in Westmorland and Furness. Its key col leads to High Street, not to its nearest higher summit, Thornthwaite Crag.
It shares its height of 757 m with Kippure. Its drop of 124 m makes it a Hewitt but is short of the 150 m a Marilyn needs. The database describes the top as a n of two large cairns 30m apart.