The road is usually open from late May to late October. To reach Horseshoe Meadow Road, turn west on Whitney Portal Road at the traffic signal in the center of Lone Pine. Normally, the trail is free of snow from late June to October. Afternoon thunder-storms are common in summer and fall. Snowstorms may occur at anytime.
Giardiasis is a serious problem.
Boil or filter all drinking water. Many of the creeks may be dry by mid-summer. Many areas of the Kern Plateau and adjacent Sequoia National Park are as popular with black bears as they are with people. Check at the Ranger Station before starting your trip for current information on bear activity. Follow the road signs.