National Forest Development Road 4770
Hard · IvyMalheur National Forest, Oregon
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Add the first12.8 km7.9 mi
Distance
249 m817 ft
Elevation gain
3h 15m
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 8.0% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high confidence.
- Rough underfootestimated
- OpenStreetMap records track type "grade5" 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 4770 is a 12.8 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
- 135 m
- High point
- 1581 m
- 90th percentile grade
- 8.0%
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 45/100
- - Terrain: 8.0% 90th-percentile grade and 19 m climbing per km.
- - Track firmness: grade5.
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.
Photos
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Frequently asked
How long is National Forest Development Road 4770?
National Forest Development Road 4770 is 12.8 km (7.9 miles) as a route. Allow roughly 3h 15m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 4770?
OpenTrail rates it hard. It climbs about 249 m overall, and its steepest sustained stretches run around 8%.
Where is National Forest Development Road 4770?
National Forest Development Road 4770 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 4770?
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.