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Forest Road 3550

Hard · Ivy

Mount Hood National Forest, Oregon

Directions

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17.2 km10.7 mi

Distance

646 m2119 ft

Elevation gain

4h 55m

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 13.0% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high confidence.
Rough underfootestimated
OpenStreetMap records track type "grade5" 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.

Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.

About this trail

Forest Road 3550 is a 17.2 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
242 m
High point
1819 m
90th percentile grade
13.0%
1817 m1621 m1425 m0 m8.5 km17.1 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 75/100

  • - Terrain: 13.0% 90th-percentile grade and 38 m climbing per km.
  • - Surface: unpaved.
  • - Track firmness: grade5.

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 3550?

Forest Road 3550 is 17.2 km (10.7 miles) as a route. Allow roughly 4h 55m at a steady walking pace, not counting stops.

How hard is Forest Road 3550?

OpenTrail rates it hard. It climbs about 646 m overall, and its steepest sustained stretches run around 13%.

Where is Forest Road 3550?

Forest Road 3550 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 3550?

2 mapped parking areas sit within 1.5 km of the route, the nearest being High Prairie Trailhead. Parking comes from OpenStreetMap, so check the signage when you arrive.

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