Updated October 2026
Alaska Mountain Bike Trails
Mountain bike
192mi
designated on 31 segments
13% of mapped trail
E-bike
508miClass 1
designated on 304 segments
34% of mapped trail
Mountain bike
192mi
designated on 31 segments
13% of mapped trail
E-bike
508miClass 1
designated on 304 segments
- Class 1508 mi
- Class 2508 mi
- Class 3508 mi
Treated as a motor vehicle: ridden only where designated.
- National forests
- 2
- Ridable trails
- 267
Both lanes share one scale: the 1,486 mi of National Forest System trail mapped in Alaska's 2 national forests. From USFS National Forest System Trails records, updated October 2026.
Across 2 national forests in Alaska, USFS data maps 192 mi of bike-designated trail on 31 segments, led by Chugach National Forest (190 mi). Class 1 e-bikes are designated on 304 segments.
National forests in Alaska
| National forest | Bike miles | Total trail | Class 1 e-bike |
|---|---|---|---|
| Chugach National Forest | 190 mi | 569 mi | 6 |
| Tongass National Forest | 2.5 mi | 917 mi | 298 |
E-bike rules in Alaska
On Forest Service land e-bikes are motor vehicles, allowed only where designated. See Alaska e-bike rules by class and forest →
Browse by grade-based difficulty
Steepness bands derived from the USFS grade field — a slope measure, not a technical mountain-bike rating.
Top trails in Alaska
The 30 longest ridable trails in Alaska by mapped mileage. Each links to its full USFS data profile.
Alaska bike-legal trail list (CSV)
Download every one of the 267 bike- and Class 1 e-bike-designated trails across Alaska's national forests — miles, surface, grade, season, and e-bike class per trail, from official USFS data.
Frequently asked questions
- How many miles of national-forest mountain bike trail are in Alaska?
- About 192 mi of bike-designated trail across 2 national forests, from USFS travel-management data.
- Which national forest has the most mountain biking in Alaska?
- Chugach National Forest, with about 190 mi of bike-designated trail.
- Are e-bikes allowed in Alaska national forests?
- Only where designated — e-bikes are motor vehicles on Forest Service land. Class 1 access is recorded on 304 segments. See the Alaska e-bike rules page.