Best Time to See Bison in Wyoming
July, June and August is the best time to see bison in Wyoming. Based on 12,289 verified iNaturalist observations, here is exactly when bison are most active across the year in Wyoming.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
12,289 verified observations of bison in Wyoming, recorded across 12 months of the year on iNaturalist.
When bison are recorded in Wyoming
Peak month
July
2,483 records (20.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 235 | 1.9% |
| February | 306 | 2.5% |
| March | 215 | 1.7% |
| April | 289 | 2.4% |
| May | 1,817 | 14.8% |
| Junepeak | 2,469 | 20.1% |
| Julypeak | 2,483 | 20.2% |
| Augustpeak | 1,882 | 15.3% |
| September | 1,641 | 13.4% |
| October | 590 | 4.8% |
| November | 161 | 1.3% |
| December | 201 | 1.6% |
Bison you are most likely to see
| Species | Verified observations |
|---|---|
| American Bison | 10,479 |
| Bighorn Sheep | 1,362 |
| Mountain Goat | 394 |
| Domestic Cattle | 33 |
| Domestic Sheep | 1 |
Sightings of bison in Wyoming peak in July, when 2,483 of the year's 12,289 verified observations are logged — about 20.2% of the annual total. Activity stays high through July, June and August.
The quietest stretch is November, December and March, when bison are hardest to find — November sees just 161 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bison you are most likely to encounter in Wyoming are American Bison, Bighorn Sheep and Mountain Goat — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see bison in Wyoming
- Bighorn Canyon National Recreation Area — National Recreation Area
- Devils Tower National Monument — National Monument
- Fossil Butte National Monument — National Monument
- Grand Teton National Park — National Park
- Yellowstone National Park — National Park
- California National Historic Trail — National Historic Trail
Tours and experiences nearby
Viator
Book a bison tour in Wyoming
Guided wildlife tours, boat trips and nature experiences, with free cancellation on most.
Booking.com
Stay near Bighorn Canyon National Recreation Area
Compare hotels, cabins and lodges close to the best bison viewing in Wyoming.
Gear to see them
Frequently asked questions
What is the best month to see bison in Wyoming?+
July is the single best month, and the broader peak window runs through July, June and August, based on 12,289 verified iNaturalist observations.
When are bison hardest to see in Wyoming?+
November is the quietest month for bison in Wyoming, with only 161 verified records.
Are bison active year-round in Wyoming?+
Bison are recorded in 12 of 12 months in Wyoming, so they can be seen year-round, with a clear peak in July.
More places to see bison
More wildlife in Wyoming