National Forest Development Road 346
Hard · IvyFremont-Winema National Forest, Oregon
No photos yet
Add the first30.7 km19.1 mi
Distance
828 m2717 ft
Elevation gain
8h 15m
Est. time
Route
Route type
What to expect on this trail
- Moderate climbs
- Hiking
- Running
How these were worked out
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 11.8% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high 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.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
National Forest Development Road 346 is a 30.7 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
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Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 497 m
- High point
- 1832 m
- 90th percentile grade
- 11.8%
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
Moderate
35% confidence - score 27/100
- - Terrain: 11.8% 90th-percentile grade and 27 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.
- 1.7 km away
OC&E Woods Line State Trail (Woods Line Section)
Hard · IvyFremont-Winema National Forest, Oregon
54.32 km · 12h 35m · ↑ 307 m
- 3.3 km away
Charo Drive
Easy · FernOregon
1.88 km · 30m · ↑ 35 m
- 6.3 km away
Toinarack Circle
Easy · FernOregon
518 m · 10m · ↑ 13 m
- 8.6 km away
Railroad Drive
Easy · FernOregon
1.06 km · 15m · ↑ 20 m
- 9.2 km away
River Bank Drive
Easy · FernOregon
547 m · 5m · ↑ 0 m
- 9.8 km away
OC&E Woods Line State Trail
Hard · IvyOregon
12.60 km · 2h 50m · ↑ 0 m
- 13.3 km away
NFD 335
Moderate · AceOregon
6.32 km · 1h 35m · ↑ 90 m
- 13.6 km away
National Forest Development 367804
Easy · FernFremont-Winema National Forest, Oregon
1.42 km · 20m · ↑ 17 m
- 14.5 km away
Mahogany Lane
Easy · FernFremont-Winema National Forest, Oregon
1.94 km · 25m · ↑ 0 m
- 14.5 km away
White Oak Lane
Easy · FernFremont-Winema National Forest, Oregon
2.92 km · 40m · ↑ 0 m
- 14.7 km away
White Birch Way
Easy · FernFremont-Winema National Forest, Oregon
2.88 km · 40m · ↑ 22 m
- 14.7 km away
Valley Oak Lane
Easy · FernFremont-Winema National Forest, Oregon
2.77 km · 35m · ↑ 0 m
Photos
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Frequently asked
How long is National Forest Development Road 346?
National Forest Development Road 346 is 30.7 km (19.1 miles) as a route. Allow roughly 8h 15m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 346?
OpenTrail rates it hard. It climbs about 828 m overall, and its steepest sustained stretches run around 12%.
Where is National Forest Development Road 346?
National Forest Development Road 346 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 346?
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.