Highlight • Summit
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Mount Massive is a majestic summit in the heart of the Rocky Mountains, located in central Colorado. Standing at an impressive 14,428 feet (4,398 meters), it proudly ranks as the second-highest peak in Colorado and the third-highest in the contiguous United States. This iconic mountain is nestled within the Mount Massive Wilderness of San Isabel National Forest, just west-southwest of Leadville in Lake County. True to its name, Mount Massive is renowned for its enormous, elongated shape, boasting five distinct…
Routes leading to this Highlight may be dangerous
Routes may comprise technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
This Highlight is in a protected area
Please check local regulations for:
Mount Massive Wilderness
Tips
July 6, 2023
Hiking
July 12, 2023
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Nearby routes
Best routes near Mount Massive
6
hikers
10.8km
05:44
1,320m
20m
3
hikers
6.19km
04:13
1,160m
0m
16.6km
07:47
1,640m
200m
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Elevation 4,370 m
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Mount Massive is aptly named due to its enormous, elongated shape. It boasts five distinct summits, all exceeding 14,000 feet (4,300 m) in elevation, and a summit ridge that stretches over 3 miles (4.8 km) long. This extensive ridge gives Mount Massive more land area above 14,000 feet than any other mountain in the 48 contiguous states. Its geology features Precambrian granitic and metamorphic rocks, shaped by glacial activity into cirques and U-shaped valleys.
Mount Massive's diverse high-elevation habitats are home to a variety of wildlife. Hikers often spot American pikas, mountain goats, elk, mule deer, and moose. You might also see Canada jays and yellow-bellied marmots, especially in the alpine tundra and forested areas.
Yes, Mount Massive is generally dog-friendly, as it is located within the San Isabel National Forest. However, it's crucial to keep dogs on a leash, especially in wilderness areas, to protect wildlife and ensure the safety of other hikers. Always pack out all waste and ensure your dog is conditioned for high-altitude, strenuous hikes.
While Mount Massive is a Class 1 and Class 2 hike, meaning it doesn't typically require technical climbing, it is still a significant challenge for beginners. The East Slopes trail, a popular route, is 13.6 to 14.5 miles round trip with an elevation gain of around 4,500 feet. This requires excellent physical fitness, proper acclimatization to altitude, and preparedness for rapidly changing weather. Beginners should consider shorter, less strenuous hikes first or go with experienced companions.
The summit ridge of Mount Massive is known for its extensive length and involves some fun rock hopping. Hikers can expect rocky, exposed terrain above the treeline, requiring careful footing. The lower trails, however, offer great running through meadows and basin trails, providing a contrast to the rugged summit.
Winter hiking on Mount Massive is possible but significantly more challenging and requires advanced skills and specialized gear. Expect deep snow, ice, and extreme cold. Essential gear includes snowshoes or skis, microspikes or crampons, an ice axe, avalanche safety equipment (beacon, shovel, probe), and extensive cold-weather clothing. It's recommended only for experienced winter mountaineers.
Like all Colorado 14ers, weather conditions on Mount Massive can change extremely rapidly, especially during spring and summer. Clear mornings can quickly give way to afternoon thunderstorms with lightning, hail, and strong winds. It's crucial to start your hike very early to be off the summit and below treeline before noon, when storms are most common.
While the East Slopes trail is the most popular and direct route, Mount Massive does offer multiple routes. For those seeking a less crowded experience, exploring other approaches might be an option, though they may involve longer distances or more complex navigation. Researching less-traveled routes and being prepared for self-sufficiency is key.
Dedicated parking areas are available at the trailheads for Mount Massive, such as the North Halfmoon Creek Trailhead for the East Slopes route. Parking can fill up very quickly, especially on weekends and during peak season, so arriving before mid-morning is strongly recommended. Generally, permits are not required for day hiking, but always check the latest regulations for the San Isabel National Forest and Mount Massive Wilderness before your visit.
The closest town to Mount Massive is Leadville, located approximately 10.6 miles east-northeast. Leadville offers a range of amenities including cafes, restaurants, grocery stores, and various accommodation options such as hotels, motels, and vacation rentals. Dispersed camping is also available in the surrounding wilderness, and several established campgrounds are in the vicinity.
Mount Massive was first surveyed and climbed in 1873 during the Hayden Survey. It has a notable historical anecdote involving a playful rivalry with its slightly taller neighbor, Mount Elbert. Following the Great Depression, a dispute arose over which mountain was taller, as they are separated by only 12 feet. Supporters of Mount Massive would build rock piles on its summit to try and increase its height, only for Mount Elbert proponents to dismantle them.