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Colorado
4.2 mi
Distance
1,142 ft
Gain
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside San Juan National Forest
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
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Why you'll love it
Lake Eileen
AI-suggested draft · review before you go
Lake Eileen is a 4.2-mile out-and-back trail located in Colorado that gains 1,142 feet of elevation. This moderate hike leads to an alpine lake nestled in the high country, offering rewarding views for the steady climb required to reach the destination. The trail begins at lower elevations and ascends consistently throughout the journey, with the elevation gain distributed across the 2.1-mile approach to the lake. Hikers can expect a well-defined path with increasing alpine character as they gain elevation. The out-and-back format allows visitors to turn around at the lake and return via the same route. The hike is suitable for those with moderate fitness levels and experience on mountain terrain. The total round-trip distance of 4.2 miles makes this an achievable half-day outing for most hikers. Summer and early fall are the optimal seasons for hiking this trail when snow has melted and the high alpine environment is most accessible.
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