National Forest Development Road 4790-400
Easy · FernUmpqua National Forest, Oregon
No photos yet
Add the first1.9 km1.2 mi
Distance
95 m312 ft
Elevation gain
35m
Est. time
Route
Route type
What to expect on this trail
- Gravel
- Moderate climbs
- Hiking
- Running
How these were worked out
- Gravelrecorded
- OpenStreetMap records the surface of this trail as "gravel". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 8.4% grade, which is steady work rather than scrambling. Source: DEM terrain profile, low 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.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
National Forest Development Road 4790-400 is a 1.9 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
- 0 m
- High point
- 1656 m
- 90th percentile grade
- 8.4%
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
65% confidence - score 42/100
- - Terrain: 8.4% 90th-percentile grade and 50 m climbing per km.
- - Surface: gravel.
- - Track firmness: grade2.
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.
Trails nearby
Other routes within about 15 km.
- 2.3 km away
Sheep Creek Rock Pit
Easy · FernUmpqua National Forest, Oregon
1.29 km · 20m · ↑ 29 m
- 4.6 km away
Dellenback Bike Path
Hard · IvyUmpqua National Forest, Oregon
11.05 km · 2h 35m · ↑ 55 m
- 6.1 km away
Resort Drive
Easy · FernUmpqua National Forest, Oregon
970 m · 15m · ↑ 21 m
- 6.4 km away
Howlock Mountain Trail
Hard · IvyUmpqua National Forest, Oregon
11.22 km · 3h 30m · ↑ 591 m
- 6.4 km away
North Crater Trail
Hard · IvyUmpqua National Forest, Oregon
14.09 km · 3h 20m · ↑ 99 m
- 6.5 km away
Summit Rock Trail
Hard · IvyUmpqua National Forest, Oregon
13.66 km · 3h 25m · ↑ 236 m
- 6.9 km away
Bear Trap Meadows
Moderate · AceUmpqua National Forest, Oregon
6.57 km · 1h 55m · ↑ 278 m
- 7.2 km away
Spruce Ridge Trail
Moderate · AceUmpqua National Forest, Oregon
3.87 km · 1h 10m · ↑ 176 m
- 7.9 km away
Mount Bailey Trail
Moderate · AceUmpqua National Forest, Oregon
7.90 km · 3h 20m · ↑ 956 m
- 8.9 km away
North Rodley Spur
Easy · FernUmpqua National Forest, Oregon
1.28 km · 25m · ↑ 71 m
- 9.5 km away
Thielsen Creek Trail
Moderate · AceMount Thielsen Wilderness, Oregon
3.48 km · 45m · ↑ 0 m
- 10.0 km away
Mount Thielsen Trail
Moderate · AceMount Thielsen Wilderness, Oregon
7.16 km · 3h 30m · ↑ 1121 m
Photos
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Frequently asked
How long is National Forest Development Road 4790-400?
National Forest Development Road 4790-400 is 1.9 km (1.2 miles) as a route. Allow roughly 35m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 4790-400?
OpenTrail rates it easy. It climbs about 95 m overall, and its steepest sustained stretches run around 8%.
Where is National Forest Development Road 4790-400?
National Forest Development Road 4790-400 is in Umpqua 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 4790-400?
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.