Forest Road 3421-117
Easy · FernSiuslaw National Forest, Oregon
No photos yet
Add the first2.9 km1.8 mi
Distance
273 m896 ft
Elevation gain
1h 5m
Est. time
Route
Route type
What to expect on this trail
- Gravel
- Steep
- Sustained climb
- Hiking
How these were worked out
- Gravelrecorded
- OpenStreetMap records the surface of this trail as "gravel". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 15.1% grade, and its steepest climb reaches 22.0%. Source: DEM terrain profile, moderate confidence.
- Sustained climbestimated
- This trail gains 93 m of elevation per kilometre. Source: DEM terrain profile, moderate confidence.
Biking is not listed. That means no explicit permission is recorded, which is not the same as a prohibition — see the bike section below.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Forest Road 3421-117 is a 2.9 km trail in Oregon. Route imported from OpenStreetMap (© OpenStreetMap contributors, ODbL); community descriptions, photos, and condition reports welcome.
Play the route
Fly the trail end to end, with the climb as it comes.
Conditions
Loading forecast…
Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 0 m
- High point
- 449 m
- 90th percentile grade
- 15.1%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
Confirm before riding
No authoritative or explicit bicycle-access rule is recorded for this trail.
Estimated MTB suitability
Difficult
53% confidence - score 52/100
- - Terrain: 15.1% 90th-percentile grade and 93 m climbing per km.
- - Surface: gravel.
Source: No access source recorded - checked Aug 2, 2026 - rules v2
Posted signs and current land-manager closures always override OpenTrail.
Report incorrect bike access
Connecting trails
Trails whose path meets this one — plan a longer route or a loop.
- Forest Road 34213.8 km · 2.4 mi · Siuslaw National ForestModerate · Ace
- Forest Road 3421-1192.4 km · 1.5 mi · Siuslaw National ForestEasy · Fern
- Forest Road 3421-1111.7 km · 1.0 mi · Siuslaw National ForestEasy · Fern
- United States Forest Service Road 3421-1180.5 km · 0.3 mi · Siuslaw National ForestEasy · Fern
Trails nearby
Other routes within about 15 km.
- 6.6 km away
Horse Creek Trail South
Moderate · AceDrift Creek Wilderness, Oregon
6.14 km · 1h 25m · ↑ 17 m
- 10.3 km away
Harris Ranch Trail
Moderate · AceDrift Creek Wilderness, Oregon
4.43 km · 1h 0m · ↑ 9 m
- 10.5 km away
Grass Mountain Road (Decommissioned)
Easy · FernOregon
1.68 km · 35m · ↑ 134 m
- 10.6 km away
Horse Creek Trail North
Moderate · AceDrift Creek Wilderness, Oregon
5.77 km · 1h 20m · ↑ 37 m
- 12.3 km away
Gopher Ridge Segment
Moderate · AceSiuslaw National Forest, Oregon
5.14 km · 1h 45m · ↑ 377 m
- 12.3 km away
Corvallis-to-the-Sea Trail
Hard · IvyOregon
95.25 km · 24h 50m · ↑ 2222 m
- 12.3 km away
Bull Run Segment
Easy · FernSiuslaw National Forest, Oregon
2.12 km · 40m · ↑ 96 m
- 13.7 km away
C2C Trail (Gopher Creek Trail Segment)
Easy · FernSiuslaw National Forest, Oregon
912 m · 25m · ↑ 109 m
- 13.7 km away
Branch Creek Segment
Easy · FernSiuslaw National Forest, Oregon
1.91 km · 45m · ↑ 199 m
- 14.8 km away
Hogback Segment
Easy · FernSiuslaw National Forest, Oregon
1.02 km · 15m · ↑ 21 m
- 15.1 km away
Grant Creek Segment
Easy · FernSiuslaw National Forest, Oregon
1.33 km · 30m · ↑ 143 m
Photos
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Frequently asked
How long is Forest Road 3421-117?
Forest Road 3421-117 is 2.9 km (1.8 miles) as a route. Allow roughly 1h 5m at a steady walking pace, not counting stops.
How hard is Forest Road 3421-117?
OpenTrail rates it easy. It climbs about 273 m overall, and its steepest sustained stretches run around 15%.
Where is Forest Road 3421-117?
Forest Road 3421-117 is in Siuslaw National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Forest Road 3421-117?
No parking area is mapped within 1.5 km of this route in OpenStreetMap. That is not the same as there being none — check local access rules before you go.