Craig Pass Closed for the Season; Mammoth to Norris Closed Sept. 14-30
The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. The road from Mammoth to Norris is closed for two weeks—traffic should detour over Dunraven Pass. More »
Yellowstone is home to two species of bears. The publications listed below have a wealth of information about bear safety, ecology, and management.
Hazards Affecting Grizzly Bear Survival in the Greater Yellowstone Ecosystem - 2010 (2.9 MB pdf)
Possible Grizzly Cub Adoption in Yellowstone National Park - 2008 (277 KB pdf)
Assessment of pesticide residues in army cutworm moths (Euxoa auxiliaris) from the Greater Yellowstone Ecosystem and their potential consequences to foraging grizzly bears (Ursus arctos horribilis) - 2006 (650 KB pdf)
Distribution of grizzly bears in the Greater Yellowstone Ecosystem in 2004- 2006 (154 KB pdf)
Grizzly bear-human conflicts in the Greater Yellowstone ecosystem, 1992-2000 - 2004 (208 KB pdf)
These pdf documents require Adobe Acrobat Reader (available free online) to be viewed or printed.
Did You Know?
There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.