OpenTrail

Polallie Ridge Trail #643A

Moderate · Ace

Mount Hood National Forest, Oregon

Directions

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4.9 km3.1 mi

Distance

500 m1640 ft

Elevation gain

1h 55m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Steep
  • Sustained climb
  • Hiking
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
Steepestimated
Nine tenths of this trail is at or below a 23.5% grade, and its steepest climb reaches 28.8%. Source: DEM terrain profile, moderate confidence.
Sustained climbestimated
This trail gains 101 m of elevation per kilometre. 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.

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

About this trail

Polallie Ridge Trail #643A is a 4.9 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
50 m
High point
1745 m
90th percentile grade
23.5%
1745 m1495 m1245 m0 m2.4 km4.9 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

53% confidence - score 71/100

  • - Terrain: 23.5% 90th-percentile grade and 101 m climbing per km.
  • - Surface: ground.

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 Polallie Ridge Trail #643A?

Polallie Ridge Trail #643A is 4.9 km (3.1 miles) as a route. Allow roughly 1h 55m at a steady walking pace, not counting stops.

How hard is Polallie Ridge Trail #643A?

OpenTrail rates it moderate. It climbs about 500 m overall, and its steepest sustained stretches run around 24%.

Where is Polallie Ridge Trail #643A?

Polallie Ridge Trail #643A 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 Polallie Ridge Trail #643A?

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