Old Kiln Spur
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Access details come from OpenStreetMap tags and can be missing or out of date.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:
- Boulder Open Space and Mountain Parks official page ↗ · Boulder Open Space and Mountain Parks on Arête
- Boulder County official page ↗ · Boulder County on Arête
Details
| Length | 0.37 micomputed |
|---|---|
| Route type | Unknownunknown |
| Surface | Groundfrom source |
| Difficulty | Unknownunknown |
| Elevation gain | 0 ftcomputed |
| Elevation loss | 216 ftcomputed |
| Highest point | 5,985 ftcomputed |
| Lowest point | 5,760 ftcomputed |
| Estimated duration | about 5 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
- Old Kiln0.80 mi · 0.5 mi away
- Wonderland Hill0.55 mi · 0.6 mi away
- Foothills South0.93 mi · 0.6 mi away
- Hogback Ridge Trail1.76 mi · 0.7 mi away
Weather at the trailhead
Today: sunrise 7:13 AM, sunset 6:18 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 Old Kiln Spur?
Old Kiln Spur in Boulder Open Space and Mountain Parks is 0.37 mi long, measured from its route geometry in OpenStreetMap data. Signed or official distances can differ.
How much elevation does Old Kiln Spur gain?
Walking from the start to the end as drawn, it climbs about 0 ft and descends about 216 ft, between 5,760 ft and 5,985 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 Old Kiln Spur?
Difficulty is unknown: no source we use rates this trail, and we don't guess. Use the length and elevation gain to judge it for yourself.
How long does Old Kiln Spur take?
About 5 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 Old Kiln Spur start?
The route starts near 40.0621, -105.3008 (Boulder Open Space and Mountain Parks, Boulder County). Use the Directions button to open it in your maps app.
Are dogs allowed on Old Kiln Spur?
Not tagged in OpenStreetMap, so it is unknown. Check posted signs and the land manager's website.
Is there water, parking or a toilet at Old Kiln Spur?
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.