Outdoor Project
Quaking aspen are famous for the fall colors. Photo credit: Carolyn Fox.
Outdoor Project
Lamar Valley, known for its spectacular herds of bison, comes alive with color in the fall. Photo credit: Diane Renkin.
Outdoor Project
Yellow and orange hues dominate the Yellowstone landscape in the fall. Photo credit: Diane Renkin.
Outdoor Project
Fly-fishing the South Fork of the Madison River. Photo credit: Ken Takata.
Outdoor Project
Fall is the perfect time catch a brown trout from Yellowstone waters. Photo courtesy of West Yellowstone, Montana.
Outdoor Project
The bull elk bugle is unique fall sound in Yellowstone. Photo courtesy of West Yellowstone, Montana.
Outdoor Project
Elk Park in Mammoth Hot Springs is the destination to watch the elk rut. Maintain a safe distance (25 yards) at all times. Photo credit: Neal Herbet.
Outdoor Project
Bull elk bugle to showcase their fitness during the rut, which typically occurs during September and October. Photo credit: Joe Crebbin.
Outdoor Project
The boardwalks around Old Faithful are less crowded in the fall. Photo courtesy of West Yellowstone, Montana.
Outdoor Project
Bighorn sheep among early fall snow. Photo credit: Peggy Olliff.
Outdoor Project
Adult eagles usually stay in the park year round. Look for them by large lakes and rivers. Photo credit: Chris Daniel.
Outdoor Project
Bear sightings become more frequent along the roadside in the fall, especially in October. Photo credit: Carolyn Fox.
Outdoor Project
In the fall, grizzlies enter a period called hyperphagia, a time marked by increased feeding and weight gain. Photo credit: Jim Peaco.
Outdoor Project
Curious pronghorns in Lamar Valley. Photo credit: Neal Herbert.
Stephanie Keene
Photo Date: 
09/24/2017
Like Yellowstone's elk, pronghorn also begin their mating season in the fall. Catch pronghorn bucks vying for attention from females.
Stephanie Keene
Photo Date: 
11/23/2017
First snows in the park do not often linger at lower elevations.
Stephanie Keene
Photo Date: 
11/19/2017
Snow that does have the chance to linger is an excellent canvas for tracking wildlife.
Stephanie Keene
Photo Date: 
11/19/2017
Expect snow at higher elevations by the time November rolls around.