© F. Deaville Walker, ca. 1920s, Helvellyn, From Striding Edge

"With a peak 3,118 feet above sea-level, the mighty Helvellyn is the third highest mountain in England. Its easterly ridge is known as Striding Edge, and on the right of the photograph can be seen the Red Tarn." (original caption)

This photo is taken from "Hutchinson’s Britain Beautiful Vol. IV" (1924-1926), edited by Walter Hutchinson.