USFS National Forest System Trails · California · Updated June 2026
Modoc National Forest Mountain Bike Trails
Modoc National Forest earns a Bike Access Grade of A: 79% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Excellent — most rideable trail miles are open to mountain bikes, with Class-1 e-bike access too.
Modoc National Forest carries 129 mi of mapped National Forest System trail, of which 22.4 mi across 2 segments is designated for mountain bikes, typically open Year-round. Class 1 e-bikes are designated on 1 segments (5.9 mi).
What the USFS data shows for Modoc National Forest
Of the 129 mi of mapped trail in Modoc National Forest, 17% — 22.4 mi across 2 bike-designated segments — is open to mountain bikes in USFS travel-management data.
Tread is overwhelmingly native dirt: USFS lists native material on 49 of 49 surfaced segments (100%).
On the USFS difficulty rating, intermediate is the most common designation here — 22 of 49 rated segments (45%) — across all uses, not bikes alone.
USFS records a year-round bike season for this forest, though high-elevation trails clear later in practice.
The longest single named bike segment in the data is Red Tail Rim Trail at 19.29 mi on native dirt, rated easy by USFS and open Year-round.
Class 1 e-bikes are designated on 1 segments (5.9 mi), and 1 segments carry an ADA-accessibility flag in the same dataset.
Trail surface
- Native Material49
USFS trail class (1 = primitive · 5 = developed)
- Class 222
- Class 411
- Class 18
- Class 37
- Class 51
17% of this forest's mapped trail is bike-designated. Note: USFS records trail grade (steepness), not technical MTB difficulty — we surface grade where present but do not infer a black/blue/green rating from it.
Largest bike-designated trails
| Trail | Miles | Surface | Trail class | Bike season |
|---|---|---|---|---|
| Red Tail Rim Trail | 19.29 | Native Material | — | Year-round |
| Highgrade National Rec. Trail | 5.93 | Native Material | — | — |
| Little Mount Hoffman Trail | 3.06 | Native Material | — | Year-round |
Every trail in Modoc National Forest
All 3 ridable trails in this forest — every trail where USFS data designates mountain-bike or Class 1 e-bike use, grouped by grade-based steepness. Grade reflects slope, not technical difficulty. Each trail links to its full data profile.
Easy grade (2)
Gentle grade band (shallow average slope).
- Red Tail Rim Trail19.3 mi · bike
- Little Mount Hoffman Trail3.1 mi · bike
Modoc National Forest bike-legal trail list (CSV)
Download all 3 bike- and Class 1 e-bike-designated trails in Modoc National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.
E-bikes in Modoc National Forest
Class 1 on 1 segments · Class 2 on 1 · Class 3 on 1. See full e-bike rules for Modoc National Forest →
Where it is
Approximate center of Modoc National Forest. USFS trail geometry isn't mapped here — use the ranger district for trailheads.
Frequently asked questions
- What is the bike access grade for Modoc National Forest?
- Modoc National Forest earns a Bike Access Grade of A: 79% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Excellent — most rideable trail miles are open to mountain bikes, with Class-1 e-bike access too.
- How many miles of mountain bike trail are in Modoc National Forest?
- Modoc National Forest has about 22.4 mi of bike-designated trail across 2 segments, out of 129 mi of total National Forest System trail.
- What is the riding season in Modoc National Forest?
- Most bike-designated trails in Modoc National Forest carry a Year-round season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Modoc National Forest?
- Only where designated. Class 1 e-bikes are recorded on 1 segments. See the e-bike rules page for the class-by-class breakdown.
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