USFS National Forest System Trails · Mark Twain National Forest · Missouri · Updated June 2026
Chadwick 101 (USFS trail 21-101) is a 5 mi trail in Mark Twain National Forest, Missouri. Mountain bikes are designated as allowed year-round, with Class 1 e-bikes also designated.
Can I bike Chadwick 101?
| 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 Mark Twain National Forest, 100% of rideable trail miles are open to mountain bikes — a Bike Access Grade of A.
Watch Mark Twain National Forest for access changes
Email me when USFS mountain-bike or e-bike designations change for trails in Mark Twain National Forest. Free, unsubscribe anytime.
About this trail
Chadwick 101 (USFS trail 21-101) is a 5 mi trail in Mark Twain National Forest, Missouri. 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. USFS records list its surface 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. 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 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. For day-of certainty on closures or seasonal orders, check directly with the ranger district, since this reflects the USFS data as of the latest refresh.
Frequently asked questions
- Can you mountain bike on Chadwick 101?
- Yes. Mountain bikes are designated as allowed on Chadwick 101 in Mark Twain National Forest, year-round, per USFS data.
- Are e-bikes allowed on Chadwick 101?
- Class 1, Class 2, Class 3 e-bikes are designated on Chadwick 101 in the USFS data.
- How long is Chadwick 101?
- Chadwick 101 measures about 5 mi in total, summed across its mapped National Forest System segments.
- What is the surface of Chadwick 101?
- USFS data records the tread surface of Chadwick 101 as native material.
- How difficult is Chadwick 101?
- 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 Mark Twain National Forest (USFS trail geometry isn't mapped).
Where to stay near Mark Twain National Forest
Find hotels, cabins, and vacation rentals near Mark Twain National Forest — plan your ride.
Top-rated places to stay near Mark Twain National Forest
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Riding Mark Twain National Forest?
Trail-access updates and trip ideas by email.