Best mountain passes in Idaho traverse the state's rugged terrain, including the Rocky Mountains. These passes offer diverse recreational opportunities and access to notable natural features. Many passes provide panoramic views of mountain ranges and valleys. Idaho's mountain passes are characterized by varying elevations and historical significance.
Last updated: April 28, 2026
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Popular around Idaho
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Hiking in Idaho
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Cycling in Idaho
Bannock Pass sits at 7,684 feet of elevation. The road from here leads down toward Leadore, a common resupply point for CDT thru-hikers.
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Wow! What a climb! Headed southbound, the ascent to Targhee Divide had better grades than I did in high school! Targhee Divide offers beautiful views to the north and south. Summiting Targhee Peak is also possible by taking the ridgewalk to the southeast followed by a short scramble to the top!
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Ashton-Tetonia Trail offers a panoramic view of the Teton Mountains, its surrounding forest and the country side around the national park.
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The 5073 ft high Saw Pit Viewpoint sits on the eastern rim of Hells Canyon and rises 3860 ft above the bottom of the canyon where Snake River runs. Saw Pit visitors can look across into Oregon.
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Wow, what a breathtaking climb to the Dollarhide Summit at nearly 8,700' above sea level! Perfect gravel, you‘ll love it!
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Dollarhide Summit is a popular ride for a number of gravel and MTB events in the area. It's also a short hike away from the peak of Dollarhide Mountain, which tops out at just over 9,300 feet and provides great views of the surrounding mountains.
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Sand Mountain Pass is a challenging, but rewarding section of hiking deep in the Sawtooth Mountains. As you ascend dozens of switchbacks you are granted fantastic panoramic views over the jagged peaks and blue alpine lakes. At the top of the pass there is a spur trail to the east, which takes you up to the summit of Sand Mountain.
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The majestic Grand Teton summits are snowcapped into summer, forming a spectacular view for the entire 30 miles of the excellent dedicated bike trail between Tetonia and Ashton
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Idaho's mountain passes offer breathtaking views. Galena Summit provides spectacular panoramic views of the Sawtooth Mountains and the Sawtooth Valley. West Teton Range offers a panoramic view of the Teton Mountains, while Sand Mountain Pass rewards climbers with fantastic panoramic views over jagged peaks and blue alpine lakes.
Several passes are steeped in history. Lolo Pass was famously used by the Lewis and Clark Expedition and the Nez Perce people. White Bird Hill Summit is the site of the Battle of White Bird Canyon during the Nez Perce War. Lost Trail Pass also holds historical significance from the Lewis and Clark Expedition.
While many passes offer challenging terrain, some areas are more accessible. The Grand Teton westside vista is noted as family-friendly. Lookout Pass Ski and Recreation Area is known as a family-friendly destination for winter sports. When planning, consider passes with visitor centers or designated overlooks for easier access and enjoyment with family.
Idaho's mountain passes are hubs for diverse outdoor activities. You can find opportunities for hiking, mountain biking, gravel biking, running, and road cycling. For example, you can explore gravel biking routes, running trails, and road cycling routes throughout the region.
The best time to visit depends on your desired activities. Summer and early fall (June to September) are ideal for hiking, cycling, and scenic drives, as most passes are clear of snow. For winter sports like skiing and snowmobiling, late fall through spring (November to April) is best, particularly at passes like Lookout Pass and Lost Trail Pass.
Yes, several mountain passes in Idaho are popular for winter sports. Lookout Pass is home to the Lookout Pass Ski and Recreation Area. Lost Trail Pass features the Lost Trail Powder Mountain Ski Area, allowing skiing in both Idaho and Montana. Galena Summit is also popular for cross-country skiing, with Galena Lodge nearby.
Idaho's mountain passes traverse rugged terrain, including the vast Rocky Mountains. You can expect varying elevations, from moderate climbs to challenging ascents. Many passes feature forested areas, alpine meadows, and rocky landscapes, often with switchbacks and steep grades, especially on older routes like White Bird Hill.
Absolutely. Sand Mountain Pass is described as a challenging section of hiking deep in the Sawtooth Mountains. Dollarhide Summit is a popular ride for gravel and MTB events, known for its breathtaking climb. Targhee Divide, at 10,000 feet, also presents a challenging climb.
For stunning views of the Teton Mountains, head to the eastern side of Idaho. The West Teton Range viewpoint, accessible via the Ashton-Tetonia Trail, offers panoramic vistas. Teton Pass, connecting Idaho to Wyoming, also provides scenic overlooks of Jackson Hole and the Teton Mountains.
Idaho's passes are rich in natural beauty. Galena Summit offers views of the Sawtooth Mountains and the headwaters of the Salmon River. Lolo Pass provides views of alpine meadows and mountain peaks. Lost Trail Pass is near the Continental Divide and offers views of the Bitterroot Valley. Many passes feature dense forests, jagged peaks, and pristine alpine lakes.
While specific crowd levels can vary, passes like Bannock Pass and Saw Pit Saddle might offer a more secluded experience compared to the more well-known tourist hubs. Exploring some of the lesser-known passes mentioned in the region research, such as Dollarhide Summit, can also lead to a quieter adventure.
Idaho's diverse ecosystems around its mountain passes are home to various wildlife. Depending on the season and specific location, you might spot deer, elk, moose, black bears, and various bird species. High-elevation passes can also be home to smaller mammals and raptors. Always observe wildlife from a safe distance.


Find even more amazing mountain passes in Idaho organized by region:
See even more epic mountain passes by checking out these guides in Idaho: