National Forest Development Road 4535
Hard · IvyMalheur National Forest, Oregon
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Add the first15.1 km9.4 mi
Distance
208 m682 ft
Elevation gain
3h 40m
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, 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 4535 is a 15.1 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
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Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 59 m
- High point
- 1629 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
Moderate
47% confidence - score 26/100
- - Terrain: 5.6% 90th-percentile grade and 14 m climbing per km.
- - Track firmness: grade3.
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.
- National Forest Development Road 4510.7 km · 6.7 mi · Malheur National ForestHard · Ivy
- National Forest Development Road 43455.3 km · 3.3 mi · Malheur National ForestModerate · Ace
- Sawmill Road5.1 km · 3.2 mi · Malheur National ForestModerate · Ace
- National Forest Development Road 45373.7 km · 2.3 mi · Malheur National ForestModerate · Ace
- North Buck Creek Fork Road3.6 km · 2.2 mi · Malheur National ForestModerate · Ace
- Buck Reservoir Road3.4 km · 2.1 mi · Malheur National ForestModerate · Ace
- Doe Spring Road0.6 km · 0.4 mi · Malheur National ForestEasy · Fern
Photos
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Frequently asked
How long is National Forest Development Road 4535?
National Forest Development Road 4535 is 15.1 km (9.4 miles) as a route. Allow roughly 3h 40m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 4535?
OpenTrail rates it hard. It climbs about 208 m overall, and its steepest sustained stretches run around 6%.
Where is National Forest Development Road 4535?
National Forest Development Road 4535 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 4535?
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.