How many grizzly attacks in Yellowstone per year?

Attacks remain relatively rare in the region, which draws several million tourists each summer. The park said it averages about one bear attack per year. According to the National Park Service (NPS), eight people have been killed by bears at Yellowstone National Park since it was established in 1872.



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Yellowstone's greatest geological threat isn't a supervolcano. It's a magnitude-7 earthquake. YELLOWSTONE NATIONAL PARK, Wyo. – While concerns about a potential eruption of the supervolcano beneath this iconic park may garner the most alarming headlines, a more likely hazard in the coming decades is a large earthquake.

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Take the Encounter Seriously Bear encounters, however, are still relatively dangerous, as both grizzly and black bears, the two species of bear found in Yellowstone, can act aggressively if they feel threatened.

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If you do any hiking or camping in Yellowstone, you SHOULD bring bear spray. Generally, you don't need bear spray when visiting the popular and crowded geyser areas and villages, such as Old Faithful and Canyon Village.

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It's perfectly possible to spot a bear any time of day in the Park, especially in cooler weather, but mid-summer you are unlikely to see bears out in the heat of the day, when they tend to nap in the forest. You don't need to go hiking into the backcountry to see bears.

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The adage that there is safety in numbers rings especially true in Yellowstone National Park. Solo hikers are at a higher risk of dangerous animal encounters. Anyone exploring the region's backcountry should do so with at least one other person, though groups of three or more are best.

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Hot springs have injured or killed more people in Yellowstone than encounters with wildlife. Boardwalks and trails are there to protect visitors, and off-boardwalk hiking is very dangerous - scalding water underlies most of the thin, breakable crust around hot springs.

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