 It is longer than the stream in Sinen Gill which in turn is longer than the Burnt Horse contributor.On its southerly course, Glenderaterra Beck is joined by Sinen Gill and Roughten Gill, draining Blease Fell on Blencathra, and, lower down, Whit Beck, emanating from Jenkin Hill on Skiddaw.This river is used by Geography students for A Level and GCSE field studies.