Geology
The summit plateau is composed of volcaniclastic sandstone of the Seathwaite Fell Formation, with a dyke of andesite and hybridized andesite porphyry running due north from Sprinkling Tarn. The coarse grained sandstone and breccia of the Cam Crag Member is exposed further down the norther slope.
Read more about this topic: Seathwaite Fell