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Colorado
3.3 mi
Distance
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Arapaho and Roosevelt National Forests
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.
Nobody's filed a report here yet — be the first.
Sourdough Trail
AI-suggested draft · review before you go
Sourdough Trail — Colorado, 3.3 mi.
No permit or access details on file for this trail — check with the local land manager before you go.
Niwot Ridge Trail
~3 min drive
1.1 mi · Hard
Sourdough Trail
~4 min drive
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Waldrop Trail
~4 min drive
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Brainard Lake Cutoff Trail
~5 min drive
0.6 mi · Hard
Waldrop Trail
~5 min drive
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Sourdough Trail
~5 min drive
0.5 mi · Hard
Sawmill Gulch Loop
~6 min drive
0.3 mi · Moderate
Sourdough Trail
~6 min drive
1.4 mi · Hard
Sawmill Gulch Cutoff
~6 min drive
0.7 mi · Moderate
Tuscarora Cutoff
~6 min drive
0.2 mi · Moderate
