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How common are bear sightings in Yellowstone?

Author

Rachel Ellis

Published Jan 23, 2026

Although bears are less frequently observed along roadsides and within developed areas today than in the past, many people still see bears each year. From 1979 - 2002 over 31,000 bear sightings have been reported to park managers.

What are the chances of seeing a bear at Yellowstone?

The chances of you seeing a bear as you walk or drive around Yellowstone is virtually nil. On the last trip, we stopped every time we passed the area where mama bear was hanging out with her two cubs (along with dozens of others) and only caught sight of a cub as we drove past on the last day in a van.

Is it easy to see bears in Yellowstone?

Black bears are commonly seen in the Tower area and meadows around Mammoth. Grizzly bears can often be spotted in these meadows as well. The Hayden Valley is the one easily accessible spot in the southern part of the park that is worth a predator stake-out. Like Lamar, this is an open valley with lots of bison.

Should I be worried about bears in Yellowstone?

Both black and grizzly bears are frequently encountered in and around Yellowstone Park, and both species are unpredictable. Since it can be difficult to tell the two species apart, hikers are best advised to be wary of all bears.

What time of year are bears most active in Yellowstone?

The best time to see bears in Yellowstone is during spring as they emerge from hibernation, or autumn as they fatten up for winter.

21 related questions found

Will I see a grizzly in Yellowstone?

Bears are still seen near roads and they may be seen occasionally in the wild. Grizzly bears are active primarily at dawn, dusk, and night. In spring, they may be seen around Yellowstone Lake, Fishing Bridge, Hayden and Lamar valleys, Swan Lake Flats, and the East Entrance.

Are grizzly bears in Yellowstone?

The grizzly population beat all odds after teetering on the brink of extinction. In Yellowstone area, it grew from 136 bears in 1975 to around 700 in 2019.

Are bear attacks common in Yellowstone?

The park reports there is an average of one bear attack at Yellowstone each year. The most gruesome attacks at the park occurred in 2011 and 2015, where three people were killed by bears.

What to do if you encounter a bear at Yellowstone?

Heed this warning and slowly back away. Do not drop to the ground and “play dead.” Do not run, shout, or make sudden movements: you don't want to startle the bear. Running may trigger a chase response in the bear and you can't outrun a bear. Bears in Yellowstone chase down elk calves all the time.

What do you do if a bear approaches you?

Remain still; stand your ground but slowly wave your arms. Help the bear recognize you as a human. It may come closer or stand on its hind legs to get a better look or smell. A standing bear is usually curious, not threatening.

Are there cougars in Yellowstone?

The cougar (Puma concolor), also known as mountain lion, is the one of the largest cats in North America and a top predator native to Greater Yellowstone.

What time of day are grizzly bears most active?

Bears are most active at dusk and dawn, usually around water.

Where are most grizzly sightings in Yellowstone?

Grizzly bears are most commonly observed in Lamar Valley, Gardiners Hole, Antelope Creek meadows, Dunraven Pass, Hayden Valley, and in the wet meadows along the East Entrance Road from Fishing Bridge to the East Entrance of the park.

What do you do if you see a grizzly bear on a hike?

Here's what the experts say:

  1. If you encounter a grizzly, do not run.
  2. Avoid direct eye contact.
  3. Walk away slowly, if the bear is not approaching.
  4. If the bear charges, stand your ground (you cannot outrun it).
  5. Don't scream or yell. ...
  6. If you have pepper spray, prepare to use it.

Can you see wolves in Yellowstone?

Wolves can be seen throughout Yellowstone, from Old Faithful to Lamar Valley. Wolves can generally be seen in Yellowstone from mid-September to mid-June. The summer months are typically hot and the wolves will travel to higher elevations where the temperatures are cooler.

How common are bear attacks?

Myth #13: People traveling in bear country are often attacked. Fact: Bear attacks are extremely rare. Although there are thousands of human-bear encounters every year, only a very few result in personal injury. Most bears will actually retreat before you are even aware of their presence.

How many bear attacks happen at Yellowstone?

Since Yellowstone opened in 1872, eight people have been killed by bears inside the park, according to the National Park Service. Officials say an average of one nonfatal bear attack happens there each year.

What to do if a black bear is outside your tent?

A Bear Outside Your Tent:

If you hear a bear or other animal outside your tent make sure it is aware that there is a human inside by using a firm monotone voice. Turn on a flashlight or lantern. If the bear enters the tent fight back and yell. Many bears have been driven off this way.

How do you scare a bear away?

To scare the bear away, make loud noises by yelling, banging pots and pans or using an airhorn. Make yourself look as big as possible by waving your arms. If you are with someone else, stand close together with your arms raised above your head.

How many grizzly are in Yellowstone?

The Yellowstone Ecosystem grizzly bear population fell by 10 bears from 2019 to 2020 and now numbers 727, according to new estimates from an interagency team of scientists.

Will I see bison in Yellowstone?

Bison (Buffalo)

Bison, sometimes called buffalo, are everywhere in Yellowstone including the roads! If you encounter a bison on foot, stay a safe distance of 25 yards.

What Wolves did for Yellowstone?

Wolf reintroduction caused unanticipated change in Yellowstone. It rebalanced elk and deer populations, allowing the willows and aspen to return to the landscape. The end to overgrazing stabilized riverbanks and rivers recovered and flowed in new directions. Songbirds returned as did beavers, eagles, foxes and badgers.

How many moose are in Yellowstone?

Population modelling based on fecal DNA determined that there are between 149 and 168 moose on the northern range inside Yellowstone and that the annual populationgrowth rate is 4%, (considered moderate growth).

Are there black bears in Yellowstone?

In Yellowstone, about 50% of black bears are black in color, others are brown, blond, or cinnamon. This black bear is with two cubs. The black bear (Ursus americanus) is the most common and widely distributed bear species in North America.

How many wolves are in Yellowstone?

An estimated 528 wolves resided in the Greater Yellowstone Ecosystem as of 2015. As of December 2021, there are at least 95 wolves in the park. Eight packs were noted. This count marks a decrease of 23% from 2020 but is close to the previous decade's average end of year count (2010-2019 average = 94.5).