USFS National Forest System Trails · Oregon · Updated June 2026
Siuslaw National Forest Mountain Bike Trails
Siuslaw National Forest earns a Bike Access Grade of C: 27% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Mixed — bikes are open on a meaningful share of rideable trails, but many are e-bike-only or discouraged.
Siuslaw National Forest carries 168 mi of mapped National Forest System trail, of which 12.8 mi across 7 segments is designated for mountain bikes, typically open Apr–Nov. Class 1 e-bikes are designated on 29 segments (38.3 mi).
What the USFS data shows for Siuslaw National Forest
Of the 168 mi of mapped trail in Siuslaw National Forest, 8% — 12.8 mi across 7 bike-designated segments — is open to mountain bikes in USFS travel-management data.
Tread is overwhelmingly native dirt: USFS lists native material on 117 of 140 surfaced segments (84%).
On the USFS difficulty rating, easy is the most common designation here — 95 of 140 rated segments (68%) — across all uses, not bikes alone.
The headline bike season runs Apr–Nov; individual segments vary, with 3 distinct season windows recorded across the sampled bike trails.
The longest single named bike segment in the data is Coast Guard - South Ohv Trail at 8.61 mi on native dirt, rated easy by USFS.
Class 1 e-bikes are designated on 29 segments (38.3 mi), and 13 segments carry an ADA-accessibility flag in the same dataset.
Trail surface
- Native Material117
- Imported Compacted Material18
- Asphalt4
- Other1
USFS trail class (1 = primitive · 5 = developed)
- Class 389
- Class 422
- Class 215
- Class 18
- Class 56
8% 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 |
|---|---|---|---|---|
| Coast Guard - South Ohv Trail | 8.61 | Native Material | — | — |
| Hunters Ohv Trail | 5.6 | Native Material | — | — |
| Coast Guard North Ohv Trail | 5.54 | Native Material | — | — |
| 430 Ohv Trail | 4.74 | Native Material | — | — |
| North Ridge-Marys Peak | 3.84 | Native Material | — | May–Oct |
| East Ridge-Marys Peak | 2.42 | Native Material | — | May–Oct |
| Siltcoos Lake Trail | 2.17 | Native Material | — | Year-round |
| Hauser Ohv Trail | 1.91 | Native Material | — | — |
| Cummins Creek Loop Trail | 1.37 | Native Material | — | Year-round |
| South Jetty Ohv Trail | 1.32 | Native Material | — | — |
| Tie Trail | 1.12 | Native Material | — | May–Oct |
| Riley Ranch Trail | 1.06 | Native Material | — | — |
| Three Mile Lake South | 1.01 | Native Material | — | Year-round |
| Summit Loop | 0.92 | Native Material | — | Apr–Nov |
| 10 Mile Ohv Trail | 0.88 | Native Material | — | — |
| Driftwood Ii Ohv Trail | 0.79 | Native Material | — | — |
| Clam Bed | 0.79 | Native Material | — | — |
| Saunders Lake Ohv Trail | 0.78 | Native Material | — | — |
| Chapmans Ohv Trail | 0.7 | Native Material | — | — |
| Bark Ohv Trail | 0.69 | Native Material | — | — |
| Bull Run Ohv Trail A | 0.51 | Native Material | — | — |
| Breach Ohv Trail | 0.5 | Native Material | — | — |
| South Jetty Ohv Trail C | 0.5 | Native Material | — | — |
Every trail in Siuslaw National Forest
All 23 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 (18)
Gentle grade band (shallow average slope).
- Coast Guard - South Ohv Trail8.6 mi · Class 1 e-bike
- Hunters Ohv Trail5.6 mi · Class 1 e-bike
- Coast Guard North Ohv Trail5.5 mi · Class 1 e-bike
- 430 Ohv Trail4.7 mi · Class 1 e-bike
- Siltcoos Lake Trail2.2 mi · bike
- Hauser Ohv Trail1.9 mi · Class 1 e-bike
- South Jetty Ohv Trail1.3 mi · Class 1 e-bike
- Riley Ranch Trail1.1 mi · Class 1 e-bike
- Three Mile Lake South1 mi · bike
- 10 Mile Ohv Trail0.9 mi · Class 1 e-bike
- Driftwood Ii Ohv Trail0.8 mi · Class 1 e-bike
- Clam Bed0.8 mi · Class 1 e-bike
- Saunders Lake Ohv Trail0.8 mi · Class 1 e-bike
- Chapmans Ohv Trail0.7 mi · Class 1 e-bike
- Bark Ohv Trail0.7 mi · Class 1 e-bike
- Bull Run Ohv Trail A0.5 mi · Class 1 e-bike
- Breach Ohv Trail0.5 mi · Class 1 e-bike
- South Jetty Ohv Trail C0.5 mi · Class 1 e-bike
Advanced grade (4)
Steep grade band.
- North Ridge-Marys Peak3.8 mi · bike
- East Ridge-Marys Peak2.4 mi · bike
- Cummins Creek Loop Trail1.4 mi · bike
- Tie Trail1.1 mi · bike
Siuslaw National Forest bike-legal trail list (CSV)
Download all 23 bike- and Class 1 e-bike-designated trails in Siuslaw National Forest — name, miles, surface, grade, season, and e-bike class per trail, straight from USFS data.
E-bikes in Siuslaw National Forest
Class 1 on 29 segments · Class 2 on 29 · Class 3 on 29. See full e-bike rules for Siuslaw National Forest →
Where it is
Approximate center of Siuslaw 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 Siuslaw National Forest?
- Siuslaw National Forest earns a Bike Access Grade of C: 27% of its rideable trail miles are open to mountain bikes, with Class-1 e-bike access on part of the network. Mixed — bikes are open on a meaningful share of rideable trails, but many are e-bike-only or discouraged.
- How many miles of mountain bike trail are in Siuslaw National Forest?
- Siuslaw National Forest has about 12.8 mi of bike-designated trail across 7 segments, out of 168 mi of total National Forest System trail.
- What is the riding season in Siuslaw National Forest?
- Most bike-designated trails in Siuslaw National Forest carry a Apr–Nov season in USFS data; higher-elevation trails clear later.
- Are e-bikes allowed in Siuslaw National Forest?
- Only where designated. Class 1 e-bikes are recorded on 29 segments. See the e-bike rules page for the class-by-class breakdown.
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