National Forest Development Road 3146
Moderate · AceFremont-Winema National Forest, Oregon
No photos yet
Add the first6.8 km4.2 mi
Distance
48 m157 ft
Elevation gain
1h 35m
Est. time
Route
Route type
What to expect on this trail
- Gently graded
- Hiking
- Running
How these were worked out
- Gently gradedestimated
- Nine tenths of this trail is at or below a 5.6% grade, so the climbing is easy going throughout. 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.
Ace's Active Trek A real workout with honest climbing — pack water and snacks.
About this trail
National Forest Development Road 3146 is a 6.8 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
- 59 m
- High point
- 1590 m
- 90th percentile grade
- 5.6%
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
Easy
35% confidence - score 12/100
- - Terrain: 5.6% 90th-percentile grade and 7 m climbing per km.
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
Trails nearby
Other routes within about 15 km.
- 9.1 km away
OC&E Woods Line State Trail (Woods Line Section)
Hard · IvyFremont-Winema National Forest, Oregon
54.32 km · 12h 35m · ↑ 307 m
- 9.9 km away
Oc&E Woods Line State Trail
Easy · FernFremont-Winema National Forest, Oregon
2.82 km · 40m · ↑ 5 m
- 14.0 km away
Fremont National Recreation Trail
Hard · IvyFremont-Winema National Forest, Oregon
24.29 km · 7h 20m · ↑ 1177 m
- 14.5 km away
Scenic Rock Loop
Easy · FernFremont-Winema National Forest, Oregon
2.06 km · 30m · ↑ 34 m
- 14.6 km away
Maple Way
Easy · FernFremont-Winema National Forest, Oregon
2.15 km · 30m · ↑ 0 m
- 14.8 km away
Maple Lane
Easy · FernFremont-Winema National Forest, Oregon
2.11 km · 30m · ↑ 0 m
Photos
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Frequently asked
How long is National Forest Development Road 3146?
National Forest Development Road 3146 is 6.8 km (4.2 miles) as a route. Allow roughly 1h 35m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 3146?
OpenTrail rates it moderate. It climbs about 48 m overall, and its steepest sustained stretches run around 6%.
Where is National Forest Development Road 3146?
National Forest Development Road 3146 is in Fremont-Winema National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at National Forest Development Road 3146?
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.