USFS National Forest System Trails · Dakota Prairie Grasslands · North Dakota · Updated June 2026
Ice Caves (USFS trail 7005) is a 1.5 mi trail in Dakota Prairie Grasslands, North Dakota. Mountain bikes are designated as allowed year-round, with no Class 1 e-bike designation on record.
Can I bike Ice Caves?
| Use | Status | Season on record |
|---|---|---|
| Mountain bike | Allowed | year-round |
| Class 1 e-bike (pedal-assist, 20 mph) | Restricted | — |
| Class 2 e-bike (throttle, 20 mph) | Restricted | — |
| Class 3 e-bike (pedal-assist, 28 mph) | Restricted | — |
Zooming out: across Dakota Prairie Grasslands, 100% of rideable trail miles are open to mountain bikes — a Bike Access Grade of B.
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About this trail
Ice Caves (USFS trail 7005) is a 1.5 mi trail in Dakota Prairie Grasslands, North Dakota. Everything below comes straight from the US Forest Service National Forest System Trails dataset — length, surface, slope-derived difficulty, and the specific bike and e-bike designations on record — so you can check legality before you load up. Underfoot, the trail is recorded as native material. Its grade-based difficulty is Easy (grade band 5-8%) — a gentle steepness profile derived from USFS slope data, not a technical mountain-bike rating. Mountain bikes are allowed, open year-round in the data. No e-bike class (1, 2 or 3) is designated on this trail in the USFS data, so treat it as a non-motorized route unless a posted order says otherwise. 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. 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 Dakota Prairie Grasslands.
Frequently asked questions
- Can you mountain bike on Ice Caves?
- Yes. Mountain bikes are designated as allowed on Ice Caves in Dakota Prairie Grasslands, year-round, per USFS data.
- Are e-bikes allowed on Ice Caves?
- No e-bike class (1, 2 or 3) is designated on Ice Caves in the USFS data.
- How long is Ice Caves?
- Ice Caves measures about 1.5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Ice Caves?
- USFS data records the tread surface of Ice Caves as native material.
- How difficult is Ice Caves?
- Its grade-based difficulty is Easy (grade band 5-8%), 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 Dakota Prairie Grasslands (USFS trail geometry isn't mapped).
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