Diamond Mill Road
Hard · IvyTillamook State Forest, Oregon
No photos yet
Add the first10.4 km6.5 mi
Distance
619 m2031 ft
Elevation gain
3h 20m
Est. time
Route
Route type
- Parking nearby
What to expect on this trail
- Steep
- Rolling
- Hiking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 17.7% grade, and its steepest climb reaches 39.4%. Source: DEM terrain profile, high confidence.
- Rollingestimated
- The grade varies by 10.1 percentage points along the route rather than climbing steadily. Source: DEM terrain profile, 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
Diamond Mill Road is a 10.4 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
- 113 m
- High point
- 753 m
- 90th percentile grade
- 17.7%
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
35% confidence - score 42/100
- - Terrain: 17.7% 90th-percentile grade and 60 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.
- 1.8 km away
Kings Mountain Jr.
Easy · FernTillamook State Forest, Oregon
762 m · 25m · ↑ 137 m
- 1.8 km away
Old Wilson River Trail
Moderate · AceTillamook State Forest, Oregon
508 m · 5m · ↑ 0 m
- 1.9 km away
Wilson River Trail
Hard · IvyTillamook State Forest, Oregon
14.65 km · 4h 0m · ↑ 430 m
- 2.3 km away
Kings Mountain Trail
Moderate · AceTillamook State Forest, Oregon
5.44 km · 2h 40m · ↑ 874 m
- 2.3 km away
Elk Mountain-Kings Mountain Loop
Hard · IvyTillamook State Forest, Oregon
15.61 km · 5h 25m · ↑ 1170 m
- 2.9 km away
Parking Lot East
Easy · FernTillamook State Forest, Oregon
908 m · 10m · ↑ 0 m
- 3.1 km away
Parking Lot West
Easy · FernTillamook State Forest, Oregon
1.81 km · 25m · ↑ 18 m
- 3.2 km away
Deer Fence
Easy · FernTillamook State Forest, Oregon
2.84 km · 1h 5m · ↑ 291 m
- 3.2 km away
Fb 8N
Easy · FernTillamook State Forest, Oregon
578 m · 15m · ↑ 82 m
- 3.5 km away
Piggyback
Easy · FernTillamook State Forest, Oregon
944 m · 35m · ↑ 212 m
- 3.6 km away
Truck Dent
Easy · FernTillamook State Forest, Oregon
704 m · 15m · ↑ 70 m
- 3.6 km away
Mongos Canyon
Moderate · AceTillamook State Forest, Oregon
4.26 km · 1h 10m · ↑ 115 m
Photos
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Frequently asked
How long is Diamond Mill Road?
Diamond Mill Road is 10.4 km (6.5 miles) as a route. Allow roughly 3h 20m at a steady walking pace, not counting stops.
How hard is Diamond Mill Road?
OpenTrail rates it hard. It climbs about 619 m overall, and its steepest sustained stretches run around 18%.
Where is Diamond Mill Road?
Diamond Mill Road is in Tillamook State Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Diamond Mill Road?
One mapped parking area sits within 1.5 km of the route, the nearest being Diamond Mill OHV Staging Area. Parking comes from OpenStreetMap, so check the signage when you arrive.