sentences:  Wetherlam stands apart from the main north-south spine of the Coniston Fells, the connection being via the long east ridge of Swirl How.Midway along this ridge is Black Sails, an intermediate top usually considered to be part of Wetherlam, and listed as a Hewitt in its own right.From Swirl How the east ridge drops steeply down Prison Band to Swirl Hawse, before rising again to the summit of Black Sails.