USFS National Forest System Trails · Pike and San Isabel National Forests · Colorado · Updated June 2026
Second Mace Spur (USFS trail 1322.A) is a 1 mi trail in Pike and San Isabel National Forests, Colorado. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike Second Mace Spur?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | year-round |
| Class 2 e-bike (throttle, 20 mph) | Allowed | year-round |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | year-round |
Zooming out: across Pike and San Isabel National Forests, 51% of rideable trail miles are open to mountain bikes — a Bike Access Grade of B.
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About this trail
Second Mace Spur (USFS trail 1322.A) is a 1 mi trail in Pike and San Isabel National Forests, Colorado. This profile summarizes what the official US Forest Service trail record says about riding it: how long the trail is, what it's built on, how steep the route grades out, and which forms of bike use the agency has designated. Underfoot, the trail is recorded as native material. Based on slope, this is a Advanced trail (grade band +12-20%); that reflects steep gradient and is not the same as a technical MTB difficulty rating. Bike use is designated as allowed year-round. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated — Class 1 being pedal-assist only, Classes 2 and 3 adding a throttle and higher assisted speed. The route is mapped as USFS Trail Class 3 on the agency's 1-to-5 development scale, where 1 is the most primitive, minimally maintained tread and 5 is the most developed. Because conditions, closures, and local orders change between data refreshes, confirm the current status with the managing ranger district before you ride.
Frequently asked questions
- Can you mountain bike on Second Mace Spur?
- Yes. Mountain bikes are designated as allowed on Second Mace Spur in Pike and San Isabel National Forests, year-round, per USFS data.
- Are e-bikes allowed on Second Mace Spur?
- Class 1, Class 2, Class 3 e-bikes are designated on Second Mace Spur in the USFS data.
- How long is Second Mace Spur?
- Second Mace Spur measures about 1 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Second Mace Spur?
- USFS data records the tread surface of Second Mace Spur as native material.
- How difficult is Second Mace Spur?
- Its grade-based difficulty is Advanced (grade band +12-20%), derived from USFS slope data. This reflects steepness, not technical mountain-bike difficulty.
How we read this data
Grade-based difficulty above is the USFS grade (route steepness), not a technical mountain-bike rating — a gentle-grade trail can still be rocky or technical, and vice versa. Bike and e-bike status come verbatim from the USFS managed-use fields for this trail; we never infer access we can't cite. See our methodology for how the dataset is built and what each field means.
Where it is
Approximate location of Pike and San Isabel National Forests (USFS trail geometry isn't mapped).
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