Targhee Pass is a paved road in the Henrys Lake Mountains

Targhee Pass is a high mountain pass at an elevation of 2.161m (7,089ft) above the sea level, located on the border between Idaho and Montana, in USA.

Targhee Pass

How long is Targhee Pass?

Located on the Continental Divide along the border between southeastern Idaho and southwestern Montana, the road to the summit is totally paved. It’s called U.S. Highway 20 (Targhee Pass Highway). The pass is 45.22km (28.1 miles) long, running from West Yellowstone (a town in southern Montana) and Island Park (a city in Fremont County, Idaho). Along the route are a few white markers representing highway fatalities. The road is mostly flat but hits an 8% of maximum gradient through some of the ramps. The pass was named for a Bannack Indian chief.

Is Targhee Pass open?

Set high in the Henrys Lake Mountains, within the Caribou–Targhee National Forest, the road is open in the winter and plowed on a regular basis and sanded. The only time it would be closed is if there is a blizzard.

How long does it take to drive Targhee Pass?

Tucked away in the Caribou–Targhee National Forest, on the border of Fremont County (in the U.S. state of Idaho) and Gallatin County (in the U.S. state of Montana), plan about 30 minutes to complete the drive without any stop. However, due its beauty, the drive will take longer. The pass is a high-volume area for migrating elk, deer, moose, and bears. The pass provides the most direct access to Yellowstone Park from southern Idaho.