4.7
(6747)
14,286
hikers
10:14
21.3km
1,340m
Hiking
Hike Colorado's second-highest peak, Mount Massive, on this challenging 13.3-mile trail with 4401 feet of gain and panoramic alpine views.
Last updated: February 26, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 4.81 km for 11.7 km
Waypoints
Start point
Parking
Get Directions
1.25 km
Highlight • Viewpoint
Tip by
6.06 km
Highlight (Segment) • Natural
Tip by
10.6 km
Highlight • Summit
Tip by
21.3 km
End point
Parking
Way Types & Surfaces
Way Types
11.7 km
9.45 km
117 m
< 100 m
Surfaces
21.2 km
160 m
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Elevation
Highest point (4,370 m)
Lowest point (3,070 m)
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Weather
Powered by Foreca
Wednesday 8 July
23°C
8°C
63 %
Additional weather tips
Max wind speed: 7.0 km/h
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This route was planned by komoot.
The prime hiking season for the Mount Massive East Slopes Trail is typically from late June through September. During this period, the snow has usually melted from the higher elevations, and the weather is generally more stable. It's always wise to start early in the day, especially during summer, to avoid afternoon thunderstorms which are common in the Colorado high country.
Yes, the trail is generally considered dog-friendly. However, it's important to remember that you'll be hiking within the Mount Massive Wilderness, so dogs should be leashed. The final push to the summit involves a Class 2 scramble over rocky terrain, which can be challenging for some dogs' paws. Be prepared to assist your dog or consider their capabilities for this section.
No, there are no specific permits or entrance fees required to hike the Mount Massive East Slopes Trail. However, as it's located within the Mount Massive Wilderness, standard wilderness regulations apply. These include rules regarding party size, dispersed camping, and campfires to preserve the natural environment.
The trail begins with a gentle ascent through dense forest, following a section of the Colorado Trail, and includes several creek crossings. After about 3 miles, the grade steepens considerably as you climb through the woods towards the treeline, which is around 11,800 to 12,000 feet. Above treeline, the path transitions to willows and rolling tundra, becoming rockier as you approach the 13,900-foot saddle. The final stretch to the 14,427-foot summit is a Class 2 scramble, requiring some boulder hopping.
Hikers are treated to diverse and stunning scenery. The initial forested sections offer glimpses of the surrounding nature. Once above treeline, you'll experience breathtaking alpine vistas, including panoramic views of Twin Lakes, the Arkansas Valley, the town of Leadville, and Turquoise Lake. On clear days, you might even spot distant peaks like the Elk Mountains. Notable highlights include a View of Elbert from the Colorado Trail, beautiful Alpine meadows on Mount Massive, and of course, the Mount Massive summit itself.
This is a long and demanding day hike. While individual times vary based on fitness and pace, the average duration for completing the Mount Massive East Slopes Trail is around 10 to 12 hours. It's crucial to start very early in the morning to allow ample time for the ascent and descent, and to be off the exposed sections before potential afternoon storms.
The Mount Massive East Slopes Trail, also known as the standard route, typically starts from the Mount Massive Trailhead. This trailhead is usually accessed via Halfmoon Creek Road. Parking is available at the trailhead, but it can fill up very early, especially on weekends during peak season. Arriving before sunrise is often recommended to secure a spot.
Yes, a significant portion of the Mount Massive East Slopes Trail follows sections of the renowned Colorado Trail. Specifically, you'll be on parts of the Colorado Trail, Colorado Trail Seg. 10 Hagerman Pass Road to Halfmoon Creek, and the Continental Divide Trail and Colorado Trail (Segment 10) for the initial miles before branching off towards the summit.
Mount Massive holds the distinction of being Colorado's second-highest peak, standing at 14,427 feet. It's aptly named because it boasts more area above 14,000 feet than any other peak in the contiguous United States, featuring seven distinct summits exceeding this elevation. The East Slopes route is considered the 'standard' way to experience this impressive mountain.
The initial forested sections of the trail feature several creek crossings where water may be available. However, once you ascend above treeline, reliable water sources become scarce. It is essential to carry sufficient water for the entire hike, as filtering water from alpine streams is not always guaranteed, and conditions can vary.
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