Devils Thumb Trail
Trail features
Hover or long-press a feature to see its basis. Effort is computed from length and climb and is not an official difficulty.
Plan your visit
Access details come from OpenStreetMap tags and can be missing or out of date. Fees, permits and seasonal closures are not included here yet.
Parking, fees and permits
We don't have verified parking, fee or permit details for this trail, so they are unknown here. These rules change and are set by the land manager. Check the official pages:
- Indian Peaks Wilderness official page ↗ · Indian Peaks Wilderness on Arête
- Arapaho National Forest official page ↗ · Arapaho National Forest on Arête
Details
| Length | 4.09 micomputed |
|---|---|
| Route type | Unknownunknown |
| Surface | Mixedfrom source |
| Difficulty | Mountain hiking (OSM sac_scale)from source |
| Elevation gain | 44 ftcomputed |
| Elevation loss | 2,263 ftcomputed |
| Highest point | 11,983 ftcomputed |
| Lowest point | 9,757 ftcomputed |
| Estimated duration | about 1 hr 25 min one way (estimate, Naismith's rule)computed |
| Official verification | Not verified by an official sourceunknown |
Elevation
Length is measured from the route geometry in the source data, so it can differ from signed or official distances.
Nearby trails
- Mount Jasper South Route1.62 mi · 0.6 mi away
- Bob and Betty Lakes Trail0.82 mi · 1.0 mi away
- Storm Gulch2.29 mi · 1.5 mi away
- King Lake3.82 mi · 1.6 mi away
Weather at the trailhead
Today: sunrise 7:14 AM, sunset 6:20 PM (computed from the trailhead location).
Forecast for the trailhead area from the U.S. National Weather Service, updated Oct 17, 12:46 AM. Mountain weather changes fast and can differ a lot by elevation: check the official forecast for your route before you go.
Recent conditions
Reports come from Arête members, not from land managers. They show when something was seen, not whether it is still true. Check official sources before you go.
No condition reports in the last 30 days. Conditions are unknown, not necessarily good.
Reviews
No reviews yet.
Frequently asked questions
How long is Devils Thumb Trail?
Devils Thumb Trail in Indian Peaks Wilderness is 4.09 mi long, measured from its route geometry in OpenStreetMap data. Signed or official distances can differ.
How much elevation does Devils Thumb Trail gain?
Walking from the start to the end as drawn, it climbs about 44 ft and descends about 2,263 ft, between 9,757 ft and 11,983 ft. These are computed from the USGS 3DEP elevation model and can differ from other apps; the other direction swaps climbing and descending.
How hard is Devils Thumb Trail?
OpenStreetMap tags this trail "Mountain hiking" (sac_scale). That is a mapper's rating, not an official one.
How long does Devils Thumb Trail take?
About 1 hr 25 min one way for a fit hiker, by Naismith's rule from the length and climb. It is an estimate: allow more for rest, photos, heat, altitude and weather.
Where does Devils Thumb Trail start?
The route starts near 39.9664, -105.6887 (Indian Peaks Wilderness, Arapaho National Forest). Use the Directions button to open it in your maps app.
Are dogs allowed on Devils Thumb Trail?
Dogs are tagged as allowed on a leash in OpenStreetMap. Rules can change by season and by land manager, so check posted signs and the official page.
Is there water, parking or a toilet at Devils Thumb Trail?
Mapped in OpenStreetMap near this trail: 0 water points, 0 parking areas, 0 toilets. Mapped water is not tested or guaranteed: carry your own. Fees and permits are not included here; check the official page.
Source
© OpenStreetMap contributors (ODbL). Overpass API extract: Boulder County, CO (hiking relations + named paths). Licence: ODbL 1.0. Data version osm-2026-10-16, imported 10/16/2026. View the source record
Trail data can be wrong or out of date, and Arête is not an emergency service. Check official sources, weather and closures before you go.