I’d climbed Halcott several times from the west, but driving along route 42 one day I noticed a small parking area on Halcott’s eastern flank, where the road cuts through a steep-walled mountain gorge. This area is labeled on the map as “Deep Notch,” and appropriately so: the mountain walls rise 1,500 feet to the summit of Halcott’s neighbor, Sleeping Lion Mountain, reaching grades in some points of 100% (equivalent to a 45-degree incline). But if you could make it up to Sleeping Lion, it occurred to me, a long, flat ridge would take you straight to Halcott. This was intriguing…