Are there bears in Yosemite in winter?

As many as 500 American black bears live in Yosemite National Park. Though they hibernate through the winter, Yosemite's bears spend the warmer months wandering all over the park in search of food — including in developed areas, such as popular Valley campgrounds.



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Where to See Yosemite Bears. Black bears are scaredy cats. They mainly stay away from humans, but you have a good chance of seeing one in Yosemite National Park among oak trees and meadows. Since they don't like being around humans, black bears live and travel in heavily wooded areas.

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So, where are the bears now? Most of them are hibernating, but not all! This is turning out to be one of those late hibernation years for some bears. We have observed several bears continuing to forage on this year's plentiful black and live oak acorns at lower elevations throughout December.

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Make sure you know before you go. In national parks where grizzlies live, such as Glacier or Grand Teton, rangers encourage you to carry bear spray. In others, such as Yosemite, where only black bears live, bear spray is not even permitted.

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These large individuals of the Mountain Coyote are the present day wolves of the Yosemite region. No true wolf is known to have occurred anywhere in middle California since about 1870.

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Mountain lions—also called cougars, pumas or panthers—roam Yosemite's mountains and valleys. These important predators, native to the Americas, are a natural part of the Yosemite landscape.

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December in Yosemite is typically cold and snowy, although sunny and warmer days are not uncommon. The average temperature in Yosemite Valley and Wawona in December is a high of 47 and a low of 28 degrees Fahrenheit (8/-2 degrees Celsius). On average, it snows seven days in December.

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Stay away from river and creek banks during high water conditions and avoid rock hopping. Stream polished rocks along the water's edge may be slippery when wet or dry. If you choose to cross a stream without a bridge, avoid deep and/or swift water.

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If a bear approaches you or if you are in a campground, picnic area, parking lot, lodging area, or other developed area, act immediately to scare it away. Scare the bear away by yelling aggressively and as loudly as possible until the bear leaves.

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Global climate change is impacting Yosemite. Worldwide emissions of greenhouse gases trap heat in the atmosphere, leading to rapid warming observed across the western US. Scientists project that average temperatures in the park may rise by 6.7–10.3°F between 2000 and 2100.

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