This is the easiest and most popular route to climb Mt. Whitney. The trail is 10.7 miles (17.1km) long, and gains over 6100 feet vertically (1860m) one-way from Whitney Portal.
Ice axes and crampons should be brought if attempting the route in spring and early summer, but technical climbing equipment is not necessary between mid-July and early October. The elevation at the trailhead is 8360' (2550 meters). The elevation at the summit is 14,494' (4418 meters).
There are a few other hikes that lead to the summit of Mt. Whitney which all require crampons and general mountaineering equipment except in late summer. Other, more technical climbing & mountaineering routes are covered on this site.
The trailhead at Whitney Portal is 13 miles (21 km) west of the town of Lone Pine on the east side of the Sierras.