OpenTrail

United States Forest Service Road 4800-831

Hard · Ivy

Siuslaw National Forest, Oregon

Directions

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17.6 km11.0 mi

Distance

339 m1112 ft

Elevation gain

4h 30m

Est. time

Route

Route type

What to expect on this trail

  • Gravel
  • Moderate climbs
  • Rolling
  • 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 14.5% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high confidence.
Rollingestimated
The grade varies by 9.0 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

United States Forest Service Road 4800-831 is a 17.6 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
494 m
High point
359 m
90th percentile grade
14.5%
359 m186 m12 m0 m8.7 km17.4 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

65% confidence - score 52/100

  • - Terrain: 14.5% 90th-percentile grade and 19 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

Trails nearby

Other routes within about 15 km.

Photos

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Frequently asked

How long is United States Forest Service Road 4800-831?

United States Forest Service Road 4800-831 is 17.6 km (11.0 miles) as a route. Allow roughly 4h 30m at a steady walking pace, not counting stops.

How hard is United States Forest Service Road 4800-831?

OpenTrail rates it hard. It climbs about 339 m overall, and its steepest sustained stretches run around 15%.

Where is United States Forest Service Road 4800-831?

United States Forest Service Road 4800-831 is in Siuslaw National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at United States Forest Service Road 4800-831?

5 mapped parking areas sit within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.

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