Wetherlam is a Lake District fell of 763 m in Westmorland and Furness. Its key col leads to The Old Man of Coniston, not to its nearest higher summit, Swirl How.
It shares its height of 763 m with Little Wyvis. Its drop of 146 m makes it a Hewitt but is short of the 150 m a Marilyn needs. It falls on two OS 1:50,000 sheets, 89 and 90.