Sty Head is a pass between the mountain that appears as a pyramid from Wasdale and what other mountain?
Sty Head:  The pass is at the head of Wasdale, which contains the lake Wastwater and it passes between the mountains of Great Gable and Scafell Pike (the latter is England's highest mountain). Great Gable: Great Gable is a mountain lying at the very heart of the English Lake District, appearing as a pyramid from Wasdale (hence its name), but as a dome from most other directions.
Scafell Pike