USFS National Forest System Trails · Superior National Forest · Minnesota · Updated June 2026
Grouse Lake Spur G (USFS trail T7-177G) is a 0.8 mi trail in Superior National Forest, Minnesota. Mountain-bike use here is accepted but discouraged in USFS data, with Class 1 e-bikes also designated.
Can I bike Grouse Lake Spur G?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Accepted but discouraged | — |
| Class 1 e-bike (pedal-assist, 20 mph) | Allowed | May–Nov |
| Class 2 e-bike (throttle, 20 mph) | Allowed | May–Nov |
| Class 3 e-bike (pedal-assist, 28 mph) | Allowed | May–Nov |
Zooming out: across Superior National Forest, 22% of rideable trail miles are open to mountain bikes — a Bike Access Grade of D.
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About this trail
In Superior National Forest, Minnesota, Grouse Lake Spur G (USFS trail T7-177G) covers 0.8 mi of National Forest System trail. The figures here are pulled from the official US Forest Service trail data for Superior National Forest, covering the trail's mileage, tread, grade band, and the bike and e-bike uses the agency lists as designated. Underfoot, the trail is recorded as native material. Based on slope, this is a Easy trail (grade band +0-5%); that reflects gentle gradient and is not the same as a technical MTB difficulty rating. Note that mountain-bike use here is discouraged in USFS records — confirm with the ranger district before riding. On the electric side, Class 1, Class 2, Class 3 e-bikes are also designated (May–Nov) — 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 2 on the agency's 1-to-5 development scale, where 1 is the most primitive, minimally maintained tread and 5 is the most developed. Treat this as a planning reference rather than a live conditions report, and verify any time-sensitive closure or order with the ranger district that manages Superior National Forest.
Frequently asked questions
- Can you mountain bike on Grouse Lake Spur G?
- Mountain-bike use on Grouse Lake Spur G is discouraged in USFS records, though Class 1 e-bike use is designated. Confirm current rules with the managing ranger district.
- Are e-bikes allowed on Grouse Lake Spur G?
- Class 1, Class 2, Class 3 e-bikes are designated on Grouse Lake Spur G in the USFS data.
- How long is Grouse Lake Spur G?
- Grouse Lake Spur G measures about 0.8 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Grouse Lake Spur G?
- USFS data records the tread surface of Grouse Lake Spur G as native material.
- How difficult is Grouse Lake Spur G?
- Its grade-based difficulty is Easy (grade band +0-5%), 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 Superior National Forest (USFS trail geometry isn't mapped).
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