Waterproof, Tear-Resistant, Topographic Map. The Pacific Crest Trail (PCT) mapped in the Sierra Nevada South Topographic Map Guide travels through conifer forests, meadows, and dry mountain ridges. The John Muir Trail coincides with the PCT for approximately 160 miles until it splits east to the summit of Mount Whitney in Sequoia National Park. The high Sierra hiking season typically lasts from mid-June through September. However, heavy snow can begin as early as October and linger until early July. The highest point on the PCT, Forester Pass (13,160 feet), will be found in the southern Sierra Nevada mountains on the boundary between Sequoia and King Canyon National Parks. The PCT spans 2,650 miles from the Canadian border, through Washington, Oregon, and California to the southern terminus at the Mexican border. The famous trail crosses some of the most wild and scenic landscapes of the western U.S., including six national parks, 25 national forests, 48 wilderness areas, the volcanic