OpenTrail

Forest Road 1900-411

Hard · Ivy

Willamette National Forest, Oregon

Directions

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9.3 km5.8 mi

Distance

33 m108 ft

Elevation gain

2h 5m

Est. time

Route

Route type

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 22.8% grade, and its steepest climb reaches 17.6%. Source: DEM terrain profile, high confidence.
Rollingestimated
The grade varies by 9.9 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

Forest Road 1900-411 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

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Elevation profile

Terrain sampled every 35 m from public elevation data.

Descent
1020 m
High point
1377 m
90th percentile grade
22.8%
1377 m883 m389 m0 m4.6 km9.2 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bike access unknown

Legal access

Confirm before riding

No authoritative or explicit bicycle-access rule is recorded for this trail.

Estimated MTB suitability

Difficult

47% confidence - score 52/100

  • - Terrain: 22.8% 90th-percentile grade and 4 m climbing per km.
  • - 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

Trails nearby

Other routes within about 15 km.

Photos

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Frequently asked

How long is Forest Road 1900-411?

Forest Road 1900-411 is 9.3 km (5.8 miles) as a route. Allow roughly 2h 5m at a steady walking pace, not counting stops.

How hard is Forest Road 1900-411?

OpenTrail rates it hard. It climbs about 33 m overall, and its steepest sustained stretches run around 23%.

Where is Forest Road 1900-411?

Forest Road 1900-411 is in Willamette 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 1900-411?

One mapped parking area sits within 1.5 km of the route, the nearest being O'Leary/Castle Rock Trailhead. Parking comes from OpenStreetMap, so check the signage when you arrive.

Trail data last updated August 2, 2026 · terrain computed July 30, 2026