National Forest Development Road 4545
Hard · IvyMount Hood National Forest, Oregon
No photos yet
Add the first8.1 km5.0 mi
Distance
208 m682 ft
Elevation gain
2h 10m
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 11.1% 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 4545 is a 8.1 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
- 141 m
- High point
- 1248 m
- 90th percentile grade
- 11.1%
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 25/100
- - Terrain: 11.1% 90th-percentile grade and 26 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
Connecting trails
Trails whose path meets this one — plan a longer route or a loop.
Trails nearby
Other routes within about 15 km.
- 450 m away
45-180 Spur
Easy · FernOregon
1.75 km · 25m · ↑ 6 m
- 1.6 km away
National Forest Development 4510-021
Easy · FernMount Hood National Forest, Oregon
1.57 km · 40m · ↑ 169 m
- 2.1 km away
National Forest Development 4510-028
Easy · FernMount Hood National Forest, Oregon
1.15 km · 25m · ↑ 83 m
- 2.3 km away
National Forest Development 4510-018
Easy · FernOregon
603 m · 10m · ↑ 0 m
- 2.6 km away
National Forest Development 4510-164
Easy · FernOregon
968 m · 15m · ↑ 0 m
- 2.8 km away
National Forest Development 4510-160
Easy · FernMount Hood National Forest, Oregon
2.33 km · 35m · ↑ 18 m
- 3.0 km away
National Forest Development 4510-150
Moderate · AceMount Hood National Forest, Oregon
3.23 km · 45m · ↑ 17 m
- 3.3 km away
Memaloose Lake Trail #515
Easy · FernClackamas Wilderness, Oregon
2.91 km · 40m · ↑ 8 m
- 3.4 km away
National Forest Development 4510-130
Moderate · AceMount Hood National Forest, Oregon
4.29 km · 1h 0m · ↑ 44 m
- 3.9 km away
National Forest Development 4510-140
Easy · FernOregon
616 m · 10m · ↑ 41 m
- 4.5 km away
National Forest Development 45-165
Easy · FernOregon
660 m · 10m · ↑ 0 m
- 5.4 km away
Hillockburn Trail #516
Easy · FernClackamas Wilderness, Oregon
2.39 km · 35m · ↑ 36 m
Photos
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Frequently asked
How long is National Forest Development Road 4545?
National Forest Development Road 4545 is 8.1 km (5.0 miles) as a route. Allow roughly 2h 10m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 4545?
OpenTrail rates it hard. It climbs about 208 m overall, and its steepest sustained stretches run around 11%.
Where is National Forest Development Road 4545?
National Forest Development Road 4545 is in Mount Hood 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 4545?
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.