Rosthwaite Fell reaches a height of 612 m (2,008 ft) at its highest point, which is commonly known as Rosthwaite Cam. It also has a subsidiary top, Bessyboot (550 m, 1,804 ft ), which lies 800 metres north of the main summit. Alfred Wainwright took Bessyboot as the summit of the fell for his Pictorial Guide to the Lakeland Fells. Dovenest Crag, which lies 500 metres south west of the summit, is generally considered to be a part of Glaramara and is covered in that article.