Highlight • Summit
Hiking
5.0
(2)
Mount Bross is a prominent high mountain summit, or "fourteener," located in the Mosquito Range of the Rocky Mountains in central Colorado. Standing at an elevation of 14,178 feet (4,321 meters), this challenging peak is situated within Pike National Forest, near the historic town of Alma in Park County. It is a key part of a larger mountain massif that includes Mount Lincoln and Mount Cameron, and is renowned for its rich mining history.
What draws many adventurers to the…
This Highlight is in a protected area
Please check local regulations for:
Pike National Forest
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July 7, 2023
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July 13, 2023
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Nearby routes
Best routes near Mount Bross

4.0
(2)
221
hikers
12.1km
04:57
950m
950m
Hike the challenging DeCaLiBron Loop in Pike National Forest, summiting multiple 14,000-foot peaks with panoramic views.

1
hikers
5.70km
02:47
640m
640m
Hike the Mount Bross Trail, a moderate 3.5-mile route in Pike National Forest with 2114 feet of elevation gain, offering high-alpine views.
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Elevation 4,320 m
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Max wind speed: 20.0 km/h
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The true summit of Mount Bross has been officially closed since 2005 due to complex private property ownership issues and significant liability concerns. There are numerous abandoned and potentially dangerous mine shafts and tunnels near the summit, posing a risk to visitors. Despite efforts to regain full access, a consensus from all landowners has not been reached.
Yes, you can still complete the full Decalibron loop. Hikers are advised to circumnavigate the closed summit of Mount Bross by staying on approved routes, such as those accessed via the Kite Lake trailhead. These routes allow you to experience the challenging alpine environment and historical mining landscapes while respecting private property boundaries.
The Decalibron loop, which includes Mount Democrat, Mount Cameron, Mount Lincoln, and circumnavigating Mount Bross, is a challenging full-day hike. Depending on your fitness level, weather conditions, and how often you stop, it typically takes 6 to 10 hours to complete.
The descent from the Mount Bross section of the Decalibron loop is often described as 'chossy,' meaning it involves loose scree and unstable rock. This terrain can be challenging to navigate and requires careful footing. It's advisable to wear sturdy hiking boots and be prepared for potential loose rock slides.
While the Decalibron loop is considered challenging and not typically suitable for young children or beginner hikers, there are other trails in the broader Pike National Forest area that offer less strenuous options. For family-friendly activities, consider exploring lower elevation trails or visiting nearby towns like Alma for easier walks and amenities.
Many trails in the Pike National Forest, including portions of the Decalibron loop, are generally dog-friendly. However, given the high-altitude, rugged terrain, and potential for loose rock, ensure your dog is accustomed to such conditions. Always keep dogs on a leash, pack out all waste, and be mindful of wildlife and other hikers. Check specific trail regulations before you go.
The primary trailhead for accessing the Decalibron loop, which includes Mount Bross, is typically the Kite Lake Trailhead. Parking at Kite Lake can fill up very quickly, especially on weekends and during peak season. Arriving early in the morning is strongly recommended to secure a spot.
Mount Bross is a high-altitude mountain, so weather can change rapidly and be unpredictable. Even in summer, expect cold temperatures, strong winds, and the possibility of afternoon thunderstorms. Snow can persist on the peaks well into early summer and return in early fall. Always check the forecast before heading out and pack layers, rain gear, and sun protection.
Yes, Mount Bross is rich in mining history. Hikers will encounter numerous historical mining structures, including partially collapsing prospect holes, shafts, and tunnels. These relics are a testament to Colorado's 19th-century silver rush. However, many of these are dangerous and should not be entered or approached too closely.
The closest town to Mount Bross is Alma, which offers basic amenities. For more extensive services, including a wider range of cafes, pubs, and accommodation options, the larger town of Fairplay is a short drive away. Breckenridge is also within reasonable driving distance and provides a full range of tourist services.
Winter hiking on Mount Bross and the Decalibron loop is extremely challenging and recommended only for experienced mountaineers with proper winter gear, avalanche awareness, and self-rescue skills. The trails are often covered in deep snow and ice, and avalanche danger can be significant. Conditions are much more severe than in summer, with shorter daylight hours and extreme cold.