From here the road turns out of the Borrowdale valley to begin a steep ascent westward through Honister Pass.
Atempting to climb the Honister Pass without equipment is considered by many a fool's errand. 
mnli hypothesis: Atempting to climb the Honister Pass without equipment is considered by many a fool's errand.  premise: From here the road turns out of the Borrowdale valley to begin a steep ascent westward through Honister Pass.