Forest Road 4660
Hard · IvyMount Hood National Forest, Oregon
No photos yet
Add the first9.3 km5.8 mi
Distance
60 m197 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 10.5% 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
Forest Road 4660 is a 9.3 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
- 410 m
- High point
- 1029 m
- 90th percentile grade
- 10.5%
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 23/100
- - Terrain: 10.5% 90th-percentile grade and 6 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.
- 6.0 km away
4670-150 Spur
Moderate · AceMount Hood National Forest, Oregon
5.03 km · 1h 15m · ↑ 94 m
- 8.2 km away
Burnt Granite Trail #595
Moderate · AceMount Hood National Forest, Oregon
6.62 km · 2h 25m · ↑ 567 m
- 9.0 km away
Tarzan Springs #568
Easy · FernMount Hood National Forest, Oregon
992 m · 15m · ↑ 0 m
- 10.5 km away
6310-190 Spur
Easy · FernMount Hood National Forest, Oregon
985 m · 15m · ↑ 0 m
- 12.2 km away
58 - 120 Spur
Easy · FernMount Hood National Forest, Oregon
2.89 km · 45m · ↑ 76 m
- 12.8 km away
Rhododendron Ridge Trail #564
Hard · IvyMount Hood National Forest, Oregon
10.23 km · 2h 50m · ↑ 353 m
- 13.0 km away
4635 - 120 Spur
Moderate · AceMount Hood National Forest, Oregon
5.70 km · 1h 40m · ↑ 233 m
- 13.3 km away
Cottonwood Meadows Trail #705
Moderate · AceMount Hood National Forest, Oregon
3.35 km · 1h 20m · ↑ 337 m
- 13.4 km away
Timothy Lake Trail #528
Easy · FernMount Hood National Forest, Oregon
1.74 km · 25m · ↑ 22 m
- 13.4 km away
Timothy Lake Trail
Hard · IvyMount Hood National Forest, Oregon
9.39 km · 2h 15m · ↑ 88 m
- 13.5 km away
Southshore Trail
Moderate · AceMount Hood National Forest, Oregon
3.86 km · 50m · ↑ 6 m
- 13.5 km away
Miller Trail
Moderate · AceMount Hood National Forest, Oregon
3.67 km · 50m · ↑ 18 m
Photos
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Frequently asked
How long is Forest Road 4660?
Forest Road 4660 is 9.3 km (5.8 miles) as a route. Allow roughly 2h 10m at a steady walking pace, not counting stops.
How hard is Forest Road 4660?
OpenTrail rates it hard. It climbs about 60 m overall, and its steepest sustained stretches run around 11%.
Where is Forest Road 4660?
Forest Road 4660 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 Forest Road 4660?
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.