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Anthill Trail #406B

Easy · Fern

Mount Hood National Forest, Oregon

Directions

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3.0 km1.9 mi

Distance

159 m522 ft

Elevation gain

55m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Steep
  • Rolling
  • 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 17.5% grade, and its steepest climb reaches 24.7%. Source: DEM terrain profile, moderate confidence.
Rollingestimated
The grade varies by 10.3 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.

Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.

About this trail

Anthill Trail #406B is a 3.0 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
85 m
High point
1363 m
90th percentile grade
17.5%
1363 m1283 m1202 m0 m1.5 km3.0 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

53% confidence - score 59/100

  • - Terrain: 17.5% 90th-percentile grade and 53 m climbing per km.
  • - Surface: ground.

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 Anthill Trail #406B?

Anthill Trail #406B is 3.0 km (1.9 miles) as a route. Allow roughly 55m at a steady walking pace, not counting stops.

How hard is Anthill Trail #406B?

OpenTrail rates it easy. It climbs about 159 m overall, and its steepest sustained stretches run around 18%.

Where is Anthill Trail #406B?

Anthill Trail #406B 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 Anthill Trail #406B?

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 Anthill Trail #406B?

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