Bears may enter campsites or picnic areas during the day, even if people are there. Keep a clean camp. Put trash in bear-proof cans and dumpsters regularly. At the trailhead, store all food and related supplies properly, including ice chests. Don't leave your backpack and walk off to take a photograph.
Bears know packs are a source of food.
Bear Canisters can be purchased at the Wilderness Center in the Valley. Use this option only if others are not available, and practice it before your trip. It is strongly recommended that no food be left in vehicles. Store all food and related supplies left at trailheads properly, including ice chests. Lodging In hard-sided cabins and rooms, store all food and related supplies indoors.