3.5
(25)
41
runners
04:39
33.9km
1,140m
Running
Jog the difficult 21.1-mile East Maroon Trail to Copper Lake, gaining 3748 feet through stunning alpine scenery in Maroon Bells-Snowmass Wil
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Maroon Bells–Snowmass Wilderness
Waypoints
Start point
Parking
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15.4 km
Highlight • Mountain Pass
16.9 km
Highlight • Lake
33.9 km
End point
Parking
Way Types & Surfaces
Way Types
33.4 km
551 m
< 100 m
Surfaces
33.2 km
677 m
< 100 m
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Elevation
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Thursday 28 May
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This route was planned by komoot.
The full out-and-back route, covering approximately 33.9 km (21 miles) with over 1,100 meters (3,700 feet) of elevation gain, generally takes around 4.5 to 5 hours for an experienced trail runner. However, the duration can vary significantly based on your pace, the number of stops, and whether you continue to East Maroon Pass.
The trail typically starts from the Copper Creek trailhead. Access can be via a bus from Crested Butte, or for those with high-clearance vehicles, there's an upper parking lot. It's advisable to check local regulations for current access and parking details, especially during peak seasons.
The terrain varies significantly. The initial section towards Judd Falls is generally moderate. Beyond that, it transitions to an old 4x4 road and then a double track. While much of the initial elevation gain is gradual, the path becomes steeper, especially over the last mile to Copper Lake. Expect a generally rocky and dirt surface, with multiple stream crossings, so waterproof footwear is recommended.
The route offers stunning alpine scenery. Key highlights include the picturesque Judd Falls early on, vibrant wildflowers in late summer, and aspen groves in the fall. Copper Lake itself is a pristine alpine lake nestled in a meadow-clad bowl. Further up, East Maroon Pass provides epic views of 13,000-foot peaks like Gothic Mountain, Pyramid Peak, and Conundrum.
Late summer is ideal for wildflowers, especially between Copper Lake and East Maroon Pass. Early to mid-fall offers spectacular aspen colors. Always check current trail conditions and weather forecasts, as high-alpine areas can experience unpredictable weather, even in summer.
Yes, dogs are generally allowed on the East Maroon Trail. However, as much of the trail lies within the Maroon Bells-Snowmass Wilderness Area, it's crucial to keep dogs on a leash and practice Leave No Trace principles, including packing out all waste.
While there isn't typically a specific permit required for hiking or jogging the East Maroon Trail itself, the trail is located within the Maroon Bells-Snowmass Wilderness Area. Depending on your access point (e.g., if you're coming from the Aspen side and using the shuttle system), there may be fees associated with transportation or entry into certain areas of the Maroon Bells Scenic Area. Always check current regulations for the specific trailhead you plan to use.
Keep an eye out for pika and marmots, which are often spotted along the rocky slopes, particularly near East Maroon Pass. You might also see various bird species and other small mammals common to high-alpine environments.
Yes, the trail offers several extension possibilities. From Copper Lake, you can continue to East Maroon Pass, which provides a passage between Crested Butte and Aspen. The route also connects to other passes like Triangle Pass and Copper Pass, offering opportunities for longer backpacking loops. The trail itself intersects with sections of the East Maroon Trail, Maroon Creek Trail, and Copper Creek Trail.
The East Maroon Trail is rated as 'difficult' and involves significant elevation gain and varying terrain, including steep sections and stream crossings. While parts of the trail have gradual grades suitable for running, the overall challenge, especially the 'sneaky' elevation gain towards Copper Lake and the ascent to East Maroon Pass, makes it more appropriate for experienced trail runners or hikers with good fitness levels. Beginners might find the initial sections more manageable but should be prepared for a strenuous outing if attempting the full route.
Yes, Copper Lake is a popular backpacking destination and offers designated, first-come, first-served camping spots. As the trail is within the Maroon Bells-Snowmass Wilderness Area, always adhere to Leave No Trace principles and check for any specific wilderness regulations or fire restrictions before planning an overnight trip.