National Forest Development Road 3431
Hard · IvyFremont-Winema National Forest, Oregon
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Add the first10.1 km6.3 mi
Distance
120 m394 ft
Elevation gain
2h 25m
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 9.5% 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 3431 is a 10.1 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
- 216 m
- High point
- 1638 m
- 90th percentile grade
- 9.5%
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 21/100
- - Terrain: 9.5% 90th-percentile grade and 12 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.
- 6.6 km away
Fremont National Recreation Trail
Hard · IvyFremont-Winema National Forest, Oregon
88.24 km · 23h 25m · ↑ 2263 m
- 8.1 km away
Cache Cabin Trail
Moderate · AceFremont-Winema National Forest, Oregon
6.51 km · 2h 20m · ↑ 518 m
- 8.2 km away
Dead Horse Rim Trail
Hard · IvyFremont-Winema National Forest, Oregon
10.98 km · 2h 30m · ↑ 11 m
- 9.8 km away
Road 34
Easy · FernOregon
1.06 km · 15m · ↑ 28 m
- 11.3 km away
Hanan Trail
Hard · IvyFremont-Winema National Forest, Oregon
11.55 km · 3h 0m · ↑ 250 m
- 11.4 km away
Lower Lakes Trail
Easy · FernFremont-Winema National Forest, Oregon
1.80 km · 35m · ↑ 123 m
- 12.2 km away
Road 212
Easy · FernFremont-Winema National Forest, Oregon
1.62 km · 30m · ↑ 103 m
- 12.3 km away
Lakes Trail
Moderate · AceFremont-Winema National Forest, Oregon
4.31 km · 1h 10m · ↑ 121 m
- 13.3 km away
Road 209
Easy · FernFremont-Winema National Forest, Oregon
921 m · 10m · ↑ 0 m
Photos
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Frequently asked
How long is National Forest Development Road 3431?
National Forest Development Road 3431 is 10.1 km (6.3 miles) as a route. Allow roughly 2h 25m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 3431?
OpenTrail rates it hard. It climbs about 120 m overall, and its steepest sustained stretches run around 10%.
Where is National Forest Development Road 3431?
National Forest Development Road 3431 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 3431?
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.