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Forest Road 4891

Moderate · Ace

Mount Hood National Recreation Area, Oregon

Directions

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5.8 km3.6 mi

Distance

269 m883 ft

Elevation gain

1h 45m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Moderate climbs
  • Rough underfoot
  • Hiking
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "unpaved". Source: OpenStreetMap, high confidence.
Moderate climbsestimated
Nine tenths of this trail is at or below a 9.3% grade, which is steady work rather than scrambling. Source: DEM terrain profile, moderate confidence.
Rough underfootestimated
OpenStreetMap records smoothness "very_bad" on this trail. Source: OpenStreetMap, 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.

Ace's Active Trek A real workout with honest climbing — pack water and snacks.

About this trail

Forest Road 4891 is a 5.8 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
52 m
High point
1672 m
90th percentile grade
9.3%
1672 m1544 m1415 m0 m2.9 km5.8 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

68% confidence - score 64/100

  • - Terrain: 9.3% 90th-percentile grade and 46 m climbing per km.
  • - Surface: unpaved.
  • - Smoothness: very bad.

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 4891?

Forest Road 4891 is 5.8 km (3.6 miles) as a route. Allow roughly 1h 45m at a steady walking pace, not counting stops.

How hard is Forest Road 4891?

OpenTrail rates it moderate. It climbs about 269 m overall, and its steepest sustained stretches run around 9%.

Where is Forest Road 4891?

Forest Road 4891 is in Mount Hood National Recreation Area, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at Forest Road 4891?

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.

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