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Summit County

Blue River

Top 15 Mountain Passes around Blue River

Best mountain passes around Blue River are characterized by the rugged landscapes of the Monashee and Cariboo Mountains, offering numerous opportunities to experience mountainous features and elevated viewpoints. The area features valley bottoms that blend into forested mountains, leading to the rugged slopes of these ranges. Blue River provides over 27.5 kilometers of trails for hiking and exploring the wilderness. This region is defined by its pristine environment, offering inspirational views and chances to spot diverse wildlife.

Best mountain passes…

Last updated: June 25, 2026

Mount Bross

Highlight • Summit

Mount Bross is a 14,178 foot mountain making up the final peak in the DeCaLiBron loop (when done clockwise). This mountain has lots of mines and mining claims associated with …

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Georgia Pass

Highlight • Mountain Pass

Ute and Arapaho Indian Tribes were among the first known users of Georgia Pass. Following the Louisiana Purchase in 1803, the route became popular among European explorers, prospectors, and trappers. …

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Hoosier Pass

Highlight • Mountain Pass

Hoosier Pass is a mice mountain climb to begin from Breckenridge. The road has a decent sized shoulder on the way up and you are rewarded with mountain views once …

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Boreas Pass Gravel

Highlight • Mountain Pass

The dirt section of Boreas Pass is my favorite. On 6/14/20 the road was gated, so foot and bike "traffic" only. Really nice railroad grade climb to tree line, past …

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Boreas Pass Road Near Baker's Tank

Highlight (Segment) • Mountain Pass

Boreas Pass Road is a super popular road for driving, biking, running, and hiking. There are a number of singletrack trails that pop out on the road, which follows an …

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Tips from the Community

Christopher
November 23, 2023, Hoosier Pass

Hoosier Pass is a mice mountain climb to begin from Breckenridge. The road has a decent sized shoulder on the way up and you are rewarded with mountain views once you reach the switchbacks. In the winter they do a good job of clearing the roads, but there is quite a bit of sand.

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Boreas Pass tops out at 11,481 feet and connects Como to Breckenridge. Boareas Pass was the nation's highest narrow-gauge railroad, running from 1872 to 1938. The pass was then converted to an automobile route in 1952.

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AaronLavanchy
November 16, 2023, Hoosier Pass

Hoosier Pass sits on the Continental Divide at 11,542 feet in elevation and connects the towns of Alma & Breckenridge. It is also the highest point along the TransAmerica bike trail, a 4,200-mile route from Oregon to Virginia.

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Boreas Pass Road is a super popular road for driving, biking, running, and hiking. There are a number of singletrack trails that pop out on the road, which follows an old railroad route on a dirt and gravel road. This is a quicker route than many of the trails that run parallel to it. If you are looking for a long uphill (and then a long downhill) on a smooth, runnable dirt road, it doesn't get much better than Boreas Pass Road. Summit County does a great job of maintaining the road, which just follows an old rail bed at a moderate 3-5% grade, making this is a popular long run and workout spot.

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Boreas Pass Road is a super popular road for driving, biking, running, and hiking. There are a number of singletrack trails that pop out on the road, which follows an old railroad route on a dirt and gravel road. This is a quicker route than many of the trails that run parallel to it.

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AaronLavanchy
October 13, 2023, Georgia Pass

Georgia Pass crosses the Continental Divide at 11,598 feet in elevation. Located between the towns of Jefferson and Breckenridge, the trail was originally designed so wagons could pass through when going to and from the area's mining towns.

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Matthew
July 13, 2023, Mount Bross

Mount Bross is a 14,178 foot mountain making up the final peak in the DeCaLiBron loop (when done clockwise). This mountain has lots of mines and mining claims associated with it, which leads to the private property issues often faced in the area. Coming down off of Bross is chossy and can be safer to hike at times. Get ready to surf some scree. The mountain is notorious for having limited and restricted access since the actual summit lies on private property. In fact, the entirety of the DeCaLiBron loop is sometimes restricted/closed to the public.

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Ute and Arapaho Indian Tribes were among the first known users of Georgia Pass. Following the Louisiana Purchase in 1803, the route became popular among European explorers, prospectors, and trappers. Before Colorado officially became a territory, Georgia Pass bordered the territories of Kansas and Utah. The original trail was designed so that wagons could pass through when going to and from the area’s many mining towns. A toll road was officially established in 1861.

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Frequently Asked Questions

What are some of the most notable mountain passes to explore around Blue River?

The region around Blue River features several significant mountain passes. Among them are Hoosier Pass, known for its elevation at 11,542 feet on the Continental Divide, and Boreas Pass Gravel, which reaches 11,481 feet and has a rich history as a narrow-gauge railroad route. Another key pass is Georgia Pass, also crossing the Continental Divide at 11,598 feet, with historical significance for early explorers and mining towns.

Are there any historical mountain passes or routes in the area?

Yes, the area boasts passes with significant historical value. Georgia Pass was historically used by Ute and Arapaho tribes, and later by European explorers and miners, becoming a toll road in 1861. Similarly, Boreas Pass Gravel was once the nation's highest narrow-gauge railroad, operating from 1872 to 1938 before being converted into an automobile route.

What kind of natural features and viewpoints can I expect to see at these mountain passes?

The mountain passes around Blue River offer stunning natural features and panoramic viewpoints. You'll encounter rugged mountainous terrain, lush forests, and alpine meadows. Passes like Hoosier Pass and Georgia Pass provide expansive views from the Continental Divide. The broader region, nestled in the Monashee and Cariboo Mountains, is characterized by glacier-fed lakes, majestic peaks, and an interior rainforest of spruce and cedar.

What outdoor activities are available near the mountain passes around Blue River?

Beyond exploring the passes themselves, the Blue River area offers a variety of outdoor activities. You can find numerous hiking trails, such as the Green Mile trail, and opportunities for mountain biking to destinations like Mystery Lake. For specific routes, explore the easy hikes around Blue River, or for cycling, check out the cycling routes around Blue River, which include challenging climbs like CO9 to Hoosier Pass.

Are there challenging mountain passes or trails for experienced hikers?

Yes, for those seeking a challenge, the region offers demanding terrain. Mount Bross, at 14,178 feet, is part of the challenging DeCaLiBron loop, known for its high elevation and sometimes restricted access due to private mining claims. The descent from Mount Bross can be particularly chossy and requires careful navigation. Other passes like Hoosier Pass also present significant climbs.

Can I find trails that are part of longer-distance routes near Blue River?

Absolutely. The area is a significant junction for long-distance trails. Glacier Ridge Road - CDT/Colorado Trail Junction is where the Colorado Trail and Continental Divide Trail meet or split. If hiking southbound, these two trails share the same route for 300 miles, making it a key point for extensive hiking opportunities.

What is the best time to visit the mountain passes around Blue River?

The best time to visit generally depends on the activities you plan. For hiking and cycling, late spring through early fall typically offers the most favorable conditions, with alpine meadows in full bloom during summer. The region's trails, like the Green Mile, are perfect for exploring when wild blueberries and huckleberries are ripe. Always check local conditions, especially for higher elevation passes, as weather can change rapidly.

What kind of wildlife might I encounter near the mountain passes?

The pristine wilderness around Blue River and its mountain passes offers excellent opportunities for wildlife spotting. Visitors may encounter diverse species including mountain caribou, eagles, and black bears. The Cariboo Mountains, in particular, are known for their abundant wildlife.

Are there any passes that are particularly good for scenic drives?

While the guide focuses on trails, the broader Monashee Mountains, which define the region, offer scenic drives with panoramic views. Monashee Pass, for example, is traversed by British Columbia Highway 6 and provides designated pullouts for photography amidst lush forests and alpine meadows, making it part of a larger scenic Monashee Loop.

What makes the mountain passes around Blue River unique?

The mountain passes around Blue River are unique due to their combination of high elevation, historical significance, and integration into vast wilderness areas. They offer a blend of challenging climbs, scenic viewpoints, and connections to major long-distance trails, all set within the inspiring landscapes of the Monashee and Cariboo Mountains. The komoot community appreciates these passes, having shared 5 photos and given 2 upvotes.

Are there any specific tips for visiting Mount Bross?

Mount Bross is a 14,178-foot mountain that forms the final peak in the DeCaLiBron loop (when done clockwise). It's notorious for having limited and restricted access, as the actual summit lies on private property, and the entire loop can sometimes be closed. The descent off Bross is often described as 'chossy,' meaning loose and unstable, and can be safer to hike carefully. Be prepared for scree.

What is the significance of Hoosier Pass for cyclists?

Hoosier Pass is a significant climb for cyclists, especially as it's the highest point along the TransAmerica bike trail, a 4,200-mile route from Oregon to Virginia. The road up from Breckenridge has a decent-sized shoulder, and cyclists are rewarded with stunning mountain views once they reach the switchbacks.

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