 The north-eastern and southern ridges enclose the head of Kentmere with scree and crag predominating.To the south-west of Thornthwaite Crag is the craggy head of the long valley of Troutbeck, emptying into Windermere.Between the western and north-western ridges is the head of Pasture Beck, which ultimately joins Hayeswater Beck en route to Ullswater.