OpenTrail

National Forest Development Road 4385

Hard · Ivy

Malheur National Forest, Oregon

Directions

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9.2 km5.7 mi

Distance

79 m259 ft

Elevation gain

2h 10m

Est. time

Route

Route type

What to expect on this trail

  • Moderate climbs
  • Rough underfoot
  • Hiking
How these were worked out
Moderate climbsestimated
Nine tenths of this trail is at or below a 9.7% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high confidence.
Rough underfootestimated
OpenStreetMap records track type "grade4" on this trail. Source: OpenStreetMap, 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.

Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.

About this trail

National Forest Development Road 4385 is a 9.2 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
288 m
High point
1876 m
90th percentile grade
9.7%
1876 m1775 m1673 m0 m4.6 km9.1 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bike access unknown

Legal access

Confirm before riding

No authoritative or explicit bicycle-access rule is recorded for this trail.

Estimated MTB suitability

Moderate

47% confidence - score 41/100

  • - Terrain: 9.7% 90th-percentile grade and 9 m climbing per km.
  • - Track firmness: grade4.

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

Photos

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Frequently asked

How long is National Forest Development Road 4385?

National Forest Development Road 4385 is 9.2 km (5.7 miles) as a route. Allow roughly 2h 10m at a steady walking pace, not counting stops.

How hard is National Forest Development Road 4385?

OpenTrail rates it hard. It climbs about 79 m overall, and its steepest sustained stretches run around 10%.

Where is National Forest Development Road 4385?

National Forest Development Road 4385 is in Malheur 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 4385?

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.

Trail data last updated August 2, 2026 · terrain computed July 30, 2026