OpenTrail

Alpine Trail #660

Moderate · Ace

Mount Hood National Forest, Oregon

Directions

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3.8 km2.3 mi

Distance

477 m1565 ft

Elevation gain

1h 40m

Est. time

Route

Route type

What to expect on this trail

  • Steep
  • Sustained climb
  • Hiking
How these were worked out
Steepestimated
Nine tenths of this trail is at or below a 21.3% grade, and its steepest climb reaches 29.3%. Source: DEM terrain profile, moderate confidence.
Sustained climbestimated
This trail gains 127 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

Alpine Trail #660 is a 3.8 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
0 m
High point
1690 m
90th percentile grade
21.3%
1690 m1451 m1211 m0 m1.9 km3.7 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

No bicycles

Legal access

prohibited

OpenStreetMap explicitly marks bicycle access as prohibited on at least one segment.

Estimated MTB suitability

Difficult

35% confidence - score 55/100

  • - Terrain: 21.3% 90th-percentile grade and 127 m climbing per km.

Source: Explicit OpenStreetMap access tags - OpenStreetMap contributors - checked Aug 2, 2026 - rules v2

View access evidence

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 Alpine Trail #660?

Alpine Trail #660 is 3.8 km (2.3 miles) as a route. Allow roughly 1h 40m at a steady walking pace, not counting stops.

How hard is Alpine Trail #660?

OpenTrail rates it moderate. It climbs about 477 m overall, and its steepest sustained stretches run around 21%.

Where is Alpine Trail #660?

Alpine Trail #660 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 Alpine Trail #660?

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.

Can you bike Alpine Trail #660?

Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.

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