Best Time to See Beavers in North Dakota
May, June and April is the best time to see beavers in North Dakota. Based on 95 verified iNaturalist observations, here is exactly when beavers are most active across the year in North Dakota.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
95 verified observations of beavers in North Dakota, recorded across 12 months of the year on iNaturalist.
When beavers are recorded in North Dakota
Peak month
May
17 records (17.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 2.1% |
| February | 8 | 8.4% |
| March | 6 | 6.3% |
| Aprilpeak | 13 | 13.7% |
| Maypeak | 17 | 17.9% |
| Junepeak | 15 | 15.8% |
| July | 10 | 10.5% |
| August | 6 | 6.3% |
| September | 8 | 8.4% |
| October | 2 | 2.1% |
| November | 5 | 5.3% |
| December | 3 | 3.2% |
Beavers you are most likely to see
| Species | Verified observations |
|---|---|
| American Beaver | 95 |
Sightings of beavers in North Dakota peak in May, when 17 of the year's 95 verified observations are logged — about 17.9% of the annual total. Activity stays high through May, June and April.
The quietest stretch is January, October and December, when beavers are hardest to find — January sees just 2 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The beavers you are most likely to encounter in North Dakota are American Beaver — 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 beavers in North Dakota
- Knife River Indian Villages National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- North Country National Scenic Trail — National Scenic Trail
- Theodore Roosevelt National Park — National Park
- Fort Union Trading Post National Historic Site — National Historic Site
Tours and experiences nearby
Viator
Book a beaver tour in North Dakota
Guided wildlife tours, boat trips and nature experiences, with free cancellation on most.
Booking.com
Stay near Knife River Indian Villages National Historic Site
Compare hotels, cabins and lodges close to the best beaver viewing in North Dakota.
Frequently asked questions
What is the best month to see beavers in North Dakota?+
May is the single best month, and the broader peak window runs through May, June and April, based on 95 verified iNaturalist observations.
When are beavers hardest to see in North Dakota?+
January is the quietest month for beavers in North Dakota, with only 2 verified records.
Are beavers active year-round in North Dakota?+
Beavers are recorded in 12 of 12 months in North Dakota, so they can be seen year-round, with a clear peak in May.
More wildlife in North Dakota