[WATCH] Video Shows Grizzly Bear Charging Woman in Yellowstone

The start of the tourist season in Yellowstone National Park has officially begun. Each year, we hear about visitors getting a little too close to wildlife, and it usually doesn't end well.

Yellowstone National Park is expecting one of its busiest seasons on record, and more people means more run-ins with wildlife.

The park asks that visitors give wild animals their space by staying at least 25 yards away from large animals like elk and bison, and at least 100 yards away from bears and wolves. In case you're bad at judging distance, that's the length of a football field.

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In April, a man was mauled by a grizzly bear near West Yellowstone, near the west entrance to YNP. Last summer, a woman was gored by a bison in the park.

The two incidents listed above are great examples of reasons to keep your distance from wild animals when you visit YNP.

On Wednesday, NBC Montana shared a video of a grizzly bear bluff charging a woman in YNP. Another park visitor witnessed the encounter and filmed it from the safety of her car.

According to the story, multiple people warned the woman to back away from the bear before the grizzly bluff charged.

Apparently, getting charged by a grizzly bear was enough to get the woman to give the bear some space. Hopefully, she brought a fresh pair of underwear.