Snake River Birds of Prey National Conservation Area
Snake River Canyon
Kuna, ID
A stretch of lava-rimmed river canyon that holds the densest population of nesting eagles, hawks, and falcons in North America.
Along eighty-some miles of the Snake River canyon south of Boise lives the densest population of nesting birds of prey in North America, and perhaps the world. Roughly eight hundred pairs of eagles, hawks, falcons, and owls raise their young each spring in the pockets and ledges of the canyon's lava cliffs, hunting out over the sagebrush plateau above.
The star is the prairie falcon. This single stretch of canyon hosts the highest breeding concentration of prairie falcons anywhere, on the order of a couple hundred pairs. The whole place works because of a quiet miracle underfoot: an enormous population of ground squirrels and other small prey that the cliffs and the climate happen to support in extraordinary numbers.
What Guests Love
- Watching prairie falcons, eagles, hawks, and owls hunt and nest along the canyon cliffs
- The overlook at Dedication Point, a short walk to a dramatic bend in the Snake River canyon
- Spring, when the raptors are nesting and the desert is briefly green and alive
- The sheer density of birds of prey, unmatched anywhere else on the continent
Worth Knowing
- This is open high desert with little shade; bring water, sun protection, and binoculars
- The best raptor viewing is roughly March through June; summer heat is intense and the birds disperse
- Roads into the canyon can be rough or seasonally closed, so check conditions before venturing off the main routes
- Give nesting birds distance; getting close enough to flush them from a cliff can cost a nest
Details
Kuna, ID
Learn about Snake River Birds of Prey National Conservation Area
Why the birds are here
Three things line up here that rarely line up anywhere else. The Snake River has cut a deep canyon with sheer basalt cliffs full of ledges and cavities, ideal nesting shelves safe from predators. The plateau above is a sea of sagebrush and grass. And that plateau supports a huge prey base, especially Piute ground squirrels and black-tailed jackrabbits, that emerges in spring exactly when the raptors need to feed their young.
So the cliffs give the birds a place to nest and the plateau gives them a place to hunt, side by side. The result is a concentration of raptors that scientists have studied for decades and that has no equal on the continent.
The area was set aside in stages and formally established as a National Conservation Area in 1993. It was later renamed for Morley Nelson, a pioneering falconer and raptor advocate who championed its protection and spent his life teaching people to value birds of prey.
The raptors you may see
Prairie falcons are the signature bird, but the canyon also holds golden eagles, red-tailed and ferruginous and Swainson's hawks, American kestrels, northern harriers, and owls including the great horned. Turkey vultures ride the thermals as well. In all, more than a dozen species of raptor use the canyon.
Overlooks like Dedication Point put you at eye level with hunting birds working the rim. Bring binoculars and patience; on a good spring morning the sky over the canyon is rarely empty for long.
The desert and the river
Away from the birds, this is a classic cold desert of big sagebrush and native bunchgrass, though invasive cheatgrass and wildfire have reshaped much of it. The Snake River itself runs green and slow at the canyon bottom, with cottonwoods and willows along its banks.
Beyond the raptors, the plateau holds pronghorn, mule deer, coyotes, and a long list of smaller desert life, from lizards to the ground squirrels that make the whole system run.
When to go
Spring is the season, roughly March into June, when the raptors are courting, nesting, and feeding young and the desert briefly greens up. That is when the birds are most numerous and most active near their cliffs.
Summer brings brutal heat and disperses many of the birds; winter is cold and quiet. Whenever you come, go early in the day for cooler air, softer light, and the best chance of watching a falcon on the wing.
Closest Boutels
The closest Boutel™ stays, so you can turn this stop into an overnight. Each is an independently owned, editorially selected place to stay.
Things to Do Near Kuna
Kuna
About 8 miles north
The small farm town that serves as the main gateway to the canyon, with the road out to Dedication Point and Swan Falls.
Swan Falls Dam
In the conservation area
A historic hydroelectric dam at the bottom of the canyon, one of the oldest on the Snake River, reached by a winding road down from the rim.
Boise
About 35 miles north
Idaho's capital, with its river greenbelt, foothill trails, and museums, an easy base for a canyon day trip.